Ronald J. Calzone

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Dixon, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Manipulator for automatic screwdriver
- Patent number 7,249,538
- Issue date Jul 31, 2007
- Ronald John Calzone
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Clamp for securing trailer ramp in transport position
- Patent number 5,462,249
- Issue date Oct 31, 1995
- Ronald J. Calzone
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Reverse spring assist for trailer ramps
- Patent number 5,145,310
- Issue date Sep 8, 1992
- Ronald J. Calzone
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Trailer drilling machine
- Patent number 4,765,785
- Issue date Aug 23, 1988
- Ronald J. Calzone
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Manipulator for automatic screwdriver
- Publication number 20060191380
- Publication date Aug 31, 2006
- Ronald J. Calzone
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR