Granted Patent
Utility
US 4,596,518 · App. 06/695,481
Swash-plate type compressor
Inventor:
Seiji Sumikawa
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Jan 28, 1985
Inventor
Seiji Sumikawa
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.