Granted Patent
Utility
US 5,348,457 · App. 08/108,888
Vane-type compressor with at least one suction hole
Inventors:
Hiroyuki Suzuki, Shinichi Hara, Mitsuya Ono
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Aug 18, 1993
Inventors
Hiroyuki Suzuki
Shinichi Hara
Mitsuya Ono
Assignee (at issue)
Zexel GmbH
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.