Granted Patent
Utility
US 5,678,986 · App. 08/548,831
Fluid displacement apparatus with lubricating mechanism
Inventors:
Kiyoshi Terauchi, Isao Hoashi, Akiyoshi Higashiyama
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Oct 26, 1995
Inventors
Kiyoshi Terauchi
Isao Hoashi
Akiyoshi Higashiyama
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.