Granted Patent
Utility
US 6,575,710 · App. 09/915,798
Compressor with blocked suction capacity modulation
Inventor:
Frank S. Wallis
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jul 26, 2001
Inventor
Frank S. Wallis
Assignee (at issue)
Copeland LP
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.