John W. Petruschke

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Aldershot, GB

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable quarter-turn fastener
- Patent number 4,441,843
- Issue date Apr 10, 1984
- Dzus Fastener Co., Inc.
- Andrew C. W. Wright
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...