Charles S. Rutkowski

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Kennewick, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for reducing the diameter of a cylindrical wor...
- Patent number 5,351,515
- Issue date Oct 4, 1994
- Sandvik Special Metals Corporation
- Eugene R. Astley
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rollstand having easily replaceable roll dies
- Patent number 4,993,251
- Issue date Feb 19, 1991
- Sandvik Special Metals Corporation
- David J. Szendre
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...