Granted Patent
Utility
US 4,507,065 · App. 06/491,858
Vane compressor having drive shaft journalled by roller bearings
Inventors:
Tsunenori Shibuya, Teruo Nakamura
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: May 5, 1983
Inventors
Tsunenori Shibuya
Teruo Nakamura
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.