Inventor

SELLBERG ROBERT P

US3 patents

⚠️ This page may combine multiple inventors who share the name “SELLBERG ROBERT P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TRINITY IND INC

2 patents

US4917019AApr 17, 1990

Railway freight car

TRINITY IND INC95 citations94

US4864938ASep 12, 1989

Railway freight car

TRINITY IND INC14 citations72

BUBULKA JOHN S

1 patent

US8616566B2Dec 31, 2013

Head plate for vehicle axle

BUBULKA JOHN S3 citations50