Bruce A. Hupfer

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Hartford, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
High performance printable coatings for identification devices
- Patent number 4,686,144
- Issue date Aug 11, 1987
- W. H. Brady Co.
- Bruce A. Hupfer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS