Granted Patent
Utility
US 5,688,111 · App. 08/523,921
Valved suction mechanism of a refrigerant compressor
Inventor:
Kazuhiko Takai
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Sep 6, 1995
Inventor
Kazuhiko Takai
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.