Jeffrey W. Frederickson

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for dispensing solution to prevent smear in th...
- Patent number 4,917,547
- Issue date Apr 17, 1990
- Jeffrey W. Frederickson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Solution for use in the prevention of smear in the manufacture of p...
- Patent number 4,913,740
- Issue date Apr 3, 1990
- Jeffrey W. Frederickson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and solution for the prevention of smear in the manufacture...
- Patent number 4,913,931
- Issue date Apr 3, 1990
- Jeffrey W. Frederickson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR