Paul C Oberski

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Roseville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-aligning non-pinching hydroforming dies
- Patent number 6,584,821
- Issue date Jul 1, 2003
- General Motors Company
- Mircea M Ghiran
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for forming unobstructed holes in hollow hydro...
- Patent number 6,305,201
- Issue date Oct 23, 2001
- General Motors Corporation
- Mircea Ghiran
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...