Michelle R. Goff

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Grand Blanc, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for stretch forming sheet metal by pressing and the applicat...
- Patent number 6,886,383
- Issue date May 3, 2005
- General Motors Corporation
- Chongmin Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for double action gas pressure forming sheet material
- Patent number 6,880,377
- Issue date Apr 19, 2005
- General Motors Corporation
- Chongmin Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Punch preforming double action superplastic or quick plastic formin...
- Publication number 20040083784
- Publication date May 6, 2004
- Chongmin Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Gas pressure preforming double action superplastic or quick plastic...
- Publication number 20040074273
- Publication date Apr 22, 2004
- Chongmin Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...