Granted Patent
Utility
US 6,821,092 · App. 10/619,767
Capacity modulated scroll compressor
Inventors:
Natalie M. Gehret, Kirill M. Ignatiev
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jul 15, 2003
Inventors
Natalie M. Gehret
Kirill M. Ignatiev
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.