----------------------------- OMB APPROVAL ----------------------------- OMB NUMBER: 3235-0145 EXPIRES: OCTOBER 31, 1994 ESTIMATED AVERAGE BURDEN HOURS PER RESPONSE. . .14.90 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ______)* Northern Technologies International Corporation (Name of Issuer) Common Stock, par value $.02 par value (Title of Class of Securities) 665809 10 9 (CUSIP Number) Check the following box if a fee is being paid with this statement [X]. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7.) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). - ------------------------------------------------------------------------------- CUSIP No. 665809 10 9 PAGE OF PAGES ----------- ------- ------- - ------------------------------------------------------------------------------- 13G - -------------- ---------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Herman Lee - -------------- ---------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - -------------- ---------------------------------------------------------------- 3 SEC USE ONLY - -------------- ---------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States of America - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 372,545 BENEFICIALLY OWNED BY ------------ ---------------------------------------- EACH 6 SHARED VOTING POWER REPORTING PERSON - 0 - WITH ------------ ---------------------------------------- 7 SOLE DISPOSITIVE POWER 372,545 ------------ ---------------------------------------- 8 SHARED DISPOSITIVE POWER - 0 - - -------------- ---------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 372,545 - -------------- ---------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - -------------- ---------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 8.6%(1) - -------------- ---------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - -------------- ---------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! (1) As of June 27, 1994 Item 1 (a) Name of Issuer Northern Technologies International Corporation (formerly Northern Instruments Corporation) Item 1(b) Address of Issuer's Principal Executive Offices 6680 North Highway 49 Lino Lakes, MN 55014 Item 2 (a) Name of Person Filing Herman Lee Item 2 (b) Address of Principal Business Office, or, if none, Residence RR 1 Box 55 Borup, Minnesota 56519 Item 2 (c) Citizenship United States of America Item 2 (d) Title of Class of Securities Common Stock, par value $.02 per share Item 2 (e) CUSIP Number 665809 10 9 Item 3 If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b), check whether the person filing is a: Not applicable. Item 4 Ownership (a) Amount Beneficially owned: 372,545 (b) Percent of Class: 8.6% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 372,545 (ii) Shared power to vote or to direct the vote: - 0 - (iii) Sole power to dispose or to direct the disposition of: 372,545 (iv) Shared power to dispose or to direct the disposition of: - 0 - Item 5 Ownership of Five Percent or Less of a Class Not applicable Item 6 Ownership of More than Five Percent on Behalf of Another Person Not applicable Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Not applicable Item 8 Identification and Classification of Members of the Group Not applicable Item 9 Notice of Dissolution of Group Not applicable Item 10 Certification Not applicable Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. 7-11-94 , 1994 - ---------------------- Date /s/ Herman Lee - ---------------------- Signature Director - ---------------------- Name/Title