Granted Patent
Utility
US 5,240,387 · App. 07/880,137
Variable capacity vane compressor having an improved bearing arrangement for a drive shaft and a capacity control element
Inventors:
Nobuyuki Nakajima, Tatsuo Nakaya
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: May 7, 1992
Inventors
Nobuyuki Nakajima
Tatsuo Nakaya
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.