John C. Checko

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Bridgewater, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for applying sealant material to a workpiece
- Patent number 4,295,914
- Issue date Oct 20, 1981
- John C. Checko
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS