Granted Patent
Utility
US 4,580,950 · App. 06/725,203
Sliding-vane rotary compressor for automotive air conditioner
Inventors:
Seiji Sumikawa, Kagehisa Kato
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Apr 19, 1985
Inventors
Seiji Sumikawa
Kagehisa Kato
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.