Granted Patent
Utility
US 6,024,009 · App. 09/080,199
Reciprocating pistons of piston-type compressor
Inventor:
Yujiro Morita
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: May 18, 1998
Inventor
Yujiro Morita
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.