John C. Gray

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Dayton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
U-bolt bending apparatus
- Patent number 5,551,271
- Issue date Sep 3, 1996
- L&H Threaded Rods Corporation
- John C. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
U-bolt bending apparatus
- Patent number 5,461,897
- Issue date Oct 31, 1995
- L & H Threaded Rods Corp.
- John C. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production of threaded metal rods for making U-bolts
- Patent number 4,936,131
- Issue date Jun 26, 1990
- John C. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production of threaded metal rods for making U-bolts
- Patent number 4,835,805
- Issue date Jun 6, 1989
- John C. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production of threaded metal rods for making U-bolts
- Patent number 4,748,707
- Issue date Jun 7, 1988
- John C. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production of threaded metal rods for making U-bolts
- Patent number 4,654,912
- Issue date Apr 7, 1987
- John C. Gray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...