Granted Patent
Utility
US 4,444,549 · App. 06/286,592
Refrigerant compressor
Inventors:
Haruo Takahashi, Shogo Kimura
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: Jul 24, 1981
Inventors
Haruo Takahashi
Shogo Kimura
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.