Richard A. Openchowski

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Bolingbrook, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Lightweight knuckle for a railroad car coupler
- Patent number 6,129,227
- Issue date Oct 10, 2000
- National Casting Incorporated
- Richard A. Openchowski
- B61 - RAILWAYS
Information Patent Grant
Slackless cushioning device for railroad cars
- Patent number 5,593,051
- Issue date Jan 14, 1997
- National Castings Incorporated
- Richard A. Openchowski
- B61 - RAILWAYS