Inventor
PETERSON WILLIAM H
6 patents
Patents
6 patentsUS4222334ASep 16, 1980
Hopper discharge door operating mechanism
PULLMAN INC63 citations93
US4337708AJul 6, 1982
Railway car superstructure frame
PULLMAN INC41 citations89
US4235169ANov 25, 1980
Door locking mechanism for side dump railway hopper cars
PULLMAN INC20 citations79
US4078669AMar 14, 1978
Striker assembly for railway car cushioning device
PULLMAN INC3 citations59
US4244299AJan 13, 1981
Railway side door hopper car locking mechanism
PULLMAN INC1 citations49
US3966150AJun 29, 1976
Vehicle speed control device
PULLMAN INC0 citations39