Jacob Krippelz Sr.

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for installation of rubber tracks on vehicles
- Patent number 6,662,421
- Issue date Dec 16, 2003
- Joe Krippelz
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Watercraft illumination system and method
- Patent number 6,231,217
- Issue date May 15, 2001
- Jacob Krippelz
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Keyway broach tool and method of broaching multiple keyways
- Patent number 5,246,320
- Issue date Sep 21, 1993
- Jacob Krippelz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Emergency light
- Patent number 5,017,903
- Issue date May 21, 1991
- Jacob Krippelz
- B60 - VEHICLES IN GENERAL