David M. Knapke

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Sidney, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Free standing strip oiler and feeder
- Patent number 3,987,750
- Issue date Oct 26, 1976
- Perfecto, Inc.
- David M. Knapke
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...