Granted Patent
Utility
US 4,690,619 · App. 06/837,285
Compressor having pulsating reducing mechanism
Inventors:
Takeo Iijima, Hiroshi Nomura, Susumu Saito, Susumu Echizen
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Mar 6, 1986
Inventors
Takeo Iijima
Hiroshi Nomura
Susumu Saito
Susumu Echizen
Assignee (at issue)
Diesel Kiki 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.