Lawrence P. Dunn

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of increasing the productivity of reversing plate mills
- Patent number 4,658,363
- Issue date Apr 14, 1987
- Tippins Incorporated
- George W. Tippins
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...