Granted Patent
Utility
US 6,190,146 · App. 09/206,388
Member for compressor, manufacturing method for the member, and scroll compressor
Inventors:
Richard Heggs, John Frechette, Takao Hasegawa
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Dec 7, 1998
Inventors
Richard Heggs
John Frechette
Takao Hasegawa
Assignee (at issue)
Zexel GmbH
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.