David R. Soworowski

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Parma, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Heating magnetic metal workpieces
- Patent number 4,619,717
- Issue date Oct 28, 1986
- Park-Ohio Industries, Inc.
- Norbert R. Balzer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Quench unit for inductively heated workpieces
- Patent number 3,986,710
- Issue date Oct 19, 1976
- Park-Ohio Industries, Inc.
- Paul L. Day
- C21 - METALLURGY OF IRON