Donald E. Polk

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Morristown, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing amorphous cutting blades
- Patent number RE30106
- Issue date Oct 2, 1979
- Allied Chemical Corporation
- Donald E. Polk
- 204 - Chemistry: electrical and wave energy
Information Patent Grant
Cutting blades made of or coated with an amorphous metal
- Patent number RE29989
- Issue date May 8, 1979
- Allied Chemical Corporation
- Donald E. Polk
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Apparatus for continuous casting metal filament on interior of chil...
- Patent number 3,939,900
- Issue date Feb 24, 1976
- Allied Chemical Corporation
- Donald E. Polk
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing amorphous cutting blades
- Patent number 3,940,293
- Issue date Feb 24, 1976
- Allied Chemical Corporation
- Donald E. Polk
- C21 - METALLURGY OF IRON