Granted Patent
Utility
US 4,875,832 · App. 07/286,121
Pressure control valve for variable displacement swash plate type compressor
Inventors:
Nobuhiko Suzuki, Tetuya Aoki
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Dec 19, 1988
Inventors
Nobuhiko Suzuki
Tetuya Aoki
Assignees (at issue)
Diesel Kiki Co., Ltd.
Fujikoki Mfg. Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.