Inventor
COLEMAN JOHN R
US15 patents
⚠️ This page may combine multiple inventors who share the name “COLEMAN JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
11 patentsUS4987740AJan 29, 1991
Assured venting master cylinder diaphragm apparatus and method
GEN MOTORS CORP59 citations95
US4945728AAug 7, 1990
Center compensating tandem master cylinder with seals in cylinder wall
GEN MOTORS CORP24 citations92
US4373333AFeb 15, 1983
Quick take-up master cylinder with check valve assembly
GEN MOTORS CORP25 citations81
US4061346ADec 6, 1977
Cup seal for use in a master cylinder
GEN MOTORS CORP27 citations75
US4445333AMay 1, 1984
Valve assembly
GEN MOTORS CORP20 citations73
US5022713AJun 11, 1991
Venting master cylinder reservoir diaphragm
GEN MOTORS CORP13 citations71
US5101631AApr 7, 1992
Integral reservoir seal of a master cylinder
GEN MOTORS CORP2 citations62
US4987739AJan 29, 1991
Master cylinder with collapsible piston locator
GEN MOTORS CORP5 citations62
US4981016AJan 1, 1991
Master cylinder dip stick
GEN MOTORS CORP4 citations62
US4694652ASep 22, 1987
Master cylinder with reservoir mounting arrangement
GEN MOTORS CORP1 citations51
US4955197ASep 11, 1990
Master cylinder attachment adapter
GEN MOTORS CORP1 citations50