Dwight A. Marcellus

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Petersburg, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a roller bearing seal
- Patent number 8,533,957
- Issue date Sep 17, 2013
- Amsted Rail Company, Inc.
- Bryan J. Spurlock
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a roller bearing seal
- Publication number 20120317814
- Publication date Dec 20, 2012
- AMSTED RAIL COMPANY, INC.
- Bryan J. Spurlock
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...