Assignee
RICHMOND TANK CAR COMPANY
US·3 granted patents·68 citations·filing 1979–1981
Top patents by PatentIndex Score
3 records- 0176US4275662ARailway hopper car roof support structureRICHMOND TANK CAR COMPANY·Filed 1979·Granted Jun 30, 1981·32 cites·6 claims
- 0263US4406152AMethod and apparatus for calibrating a railroad tank carRICHMOND TANK CAR COMPANY·Filed 1981·Granted Sep 27, 1983·23 cites·4 claims
- 0348US4407203ARailroad tank car lift lugRICHMOND TANK CAR COMPANY·Filed 1981·Granted Oct 4, 1983·13 cites·8 claims
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