Daniel J. Coomer

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Park Forest, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of repairing a rail
- Patent number 7,520,415
- Issue date Apr 21, 2009
- Holland LP
- Richard F. Kral
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
On-site rail welding apparatus
- Publication number 20050067381
- Publication date Mar 31, 2005
- Daniel J. Coomer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR