Ronald L. Kolakowski

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Washington, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Blanking and forming tapered wall articles
- Patent number 4,142,396
- Issue date Mar 6, 1979
- Aluminum Company of America
- Charles H. Deveney
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...