Granted Patent
Utility
US 4,621,983 · App. 06/722,797
Variable capacity wobble plate compressor with improved means for returning lubricating oil to crankcase
Inventors:
David L. Thomas, Nobuhiko Suzuki
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Apr 12, 1985
Inventors
David L. Thomas
Nobuhiko Suzuki
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.