William H. Tippins

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for rolling strip or plate
- Patent number 6,145,364
- Issue date Nov 14, 2000
- Tippins Incorporated
- William H. Tippins
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for rolling strip or plate
- Patent number 5,727,412
- Issue date Mar 17, 1998
- Tippins Incorporated
- William H. Tippins
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of steel processing using an inline grinder
- Patent number 5,533,248
- Issue date Jul 9, 1996
- Tippins Incorporated
- George W. Tippins
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...