Granted Patent
Utility
US 6,601,397 · App. 09/811,092
Digital scroll condensing unit controller
Inventors:
Hung M. Pham, Richard Vogh, Nagaraj Jayanth
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 16, 2001
Inventors
Hung M. Pham
Richard Vogh
Nagaraj Jayanth
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.