Granted Patent
Utility
US 4,492,543 · App. 06/356,647
Orbiting member fluid displacement apparatus with rotation preventing mechanism
Inventors:
Takayuki Iimori, Kiyoshi Terauchi, Seiichi Sakamoto
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Mar 9, 1982
Inventors
Takayuki Iimori
Kiyoshi Terauchi
Seiichi Sakamoto
Assignee (at issue)
SANDEN CORPORATION
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.