John W. McConville

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New Richmond, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Transparent overlay for protecting a document from tampering
- Patent number 5,060,981
- Issue date Oct 29, 1991
- Minnesota Mining and Manufacturing Company
- Douglas K. Fossum
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Transparent tamper-indicating document overlay
- Patent number 4,968,063
- Issue date Nov 6, 1990
- Minnesota Mining and Manufacturing Company
- John W. McConville
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER