Zhenzhen Yu

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Knoxville, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Providing plastic zone extrusion
- Patent number 9,616,497
- Issue date Apr 11, 2017
- Venkata Kiran Manchiraju
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Providing Plastic Zone Extrusion
- Publication number 20130266467
- Publication date Oct 10, 2013
- Venkata Kiran Manchiraju
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...