Assignee
RAILCAR SPECIALTIES INC
US·3 granted patents·32 citations·filing 1985–1989
Top patents by PatentIndex Score
3 records- 0161US4638743AMethod of reinforcing a covered hopper car hatchRAILCAR SPECIALTIES INC·Filed 1985·Granted Jan 27, 1987·21 cites·21 claims
- 0233US4920894AModular anti-spin unit for railway car doorRAILCAR SPECIALTIES INC·Filed 1989·Granted May 1, 1990·6 cites·7 claims
- 0322US4683678AAdjustable railway boxcar doorRAILCAR SPECIALTIES INC·Filed 1986·Granted Aug 4, 1987·5 cites·9 claims
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