John T. Petrik

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Newtown, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Adapter for coupling windshield wiper blade holder with hooked wipe...
- Patent number 4,120,069
- Issue date Oct 17, 1978
- Parker-Hannifin Corporation
- Bernard C. Sharp
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Windshield wiper blade refill
- Patent number 4,005,503
- Issue date Feb 1, 1977
- Parker-Hannifin Corporation
- John T. Petrik
- B60 - VEHICLES IN GENERAL