Paul J. Dumser

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St. Charles, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Weld support for railway tank car underbody construction
- Patent number 5,351,625
- Issue date Oct 4, 1994
- ACF Industries
- Laurence E. Culligan
- B61 - RAILWAYS
Information Patent Grant
Increased strength railway tank for underframe construction and met...
- Patent number 5,329,859
- Issue date Jul 19, 1994
- ACF Industries, Incorporated
- Laurence E. Culligan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Railway car underbody structure and method
- Patent number 5,159,882
- Issue date Nov 3, 1992
- ACF Industries, Inc.
- John A. Krug
- B61 - RAILWAYS
Information Patent Grant
Flexible siphon pipe for tank car
- Patent number 4,890,646
- Issue date Jan 2, 1990
- ACF Industries, Incorporated
- Paul J. Dumser
- B61 - RAILWAYS
Information Patent Grant
Continuous cradle pad and skid for railway cars
- Patent number 4,220,097
- Issue date Sep 2, 1980
- ACF Industries, Incorporated
- Richard J. Wempe
- B61 - RAILWAYS