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Patents Grantslast 30 patents

Information Patent Grant
Method of forming helical splines with stoppers on a rotary shaft,...
- Patent number 5,379,622
- Issue date Jan 10, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuo Saito
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Screw and thread rolling die
- Patent number 5,358,366
- Issue date Oct 25, 1994
- O S G Corporation
- Yasuo Suzuki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...