David A. Beisswanger

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Bridgewater, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Indexing system for file folders
- Patent number 4,585,253
- Issue date Apr 29, 1986
- The Shaw-Walker Company
- David A. Beisswanger
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER