Granted Patent
Utility
US 6,299,425 · App. 09/500,533
Member having sliding contact surface, compressor and rotary compressor
Inventors:
Hitoshi Hirano, Keiichi Kuramoto, Yoichi Domoto, Naoto Tojo
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Feb 9, 2000
Inventors
Hitoshi Hirano
Keiichi Kuramoto
Yoichi Domoto
Naoto Tojo
Assignee (at issue)
SANYO ELECTRIC 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.