Upcor, Inc.

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Railroad frog crossing bolt and nut assembly for clamping railroad...
- Patent number 5,743,496
- Issue date Apr 28, 1998
- Upcor, Inc.
- Samuel G. Atkinson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES