Richard Harry Hammar

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Shelby Township, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevated temperature forming method and preheater apparatus
- Patent number 8,459,084
- Issue date Jun 11, 2013
- USAMP
- Paul E. Krajewski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Elevated temperature forming die apparatus
- Patent number 8,230,713
- Issue date Jul 31, 2012
- USAMP
- Paul Edward Krajewski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Elevated temperature forming method and preheater apparatus
- Publication number 20130205854
- Publication date Aug 15, 2013
- USAMP
- Paul E. Krajewski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Elevated temperature forming method and preheater apparatus
- Publication number 20100192659
- Publication date Aug 5, 2010
- Paul Edward Krajewski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Elevated temperature forming die apparatus
- Publication number 20100166903
- Publication date Jul 1, 2010
- Paul Edward Krajewski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...