Track-Work Products, Inc.

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Bar for connecting railway track rails and method of making same
- Patent number 4,922,743
- Issue date May 8, 1990
- Track-Work Products, Inc.
- Norman W. Hillegass
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES