David J. Jarvis

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Air operated fifth wheel uncoupling apparatus
- Patent number 6,272,949
- Issue date Aug 14, 2001
- AMSTED Industries Incorporated
- David J. Jarvis
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Slackless railway coupler with draft/buff gear
- Patent number 5,312,007
- Issue date May 17, 1994
- AMSTED Industries Incorporated
- Horst T. Kaufhold
- B61 - RAILWAYS