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Patents Grantslast 30 patents

Information Patent Grant
Track assembly for track-laying vehicle
- Patent number 5,056,306
- Issue date Oct 15, 1991
- Hans-Rudolf Zepf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of making chain
- Patent number 4,279,122
- Issue date Jul 21, 1981
- Dresser Industries, Inc.
- James B. Rogers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
2555754
- Patent number 2,555,754
- Issue date Jun 5, 1951
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL