Granted Patent
Utility
US 5,129,798 · App. 07/654,437
Co-rotational scroll apparatus with improved scroll member biasing
Inventors:
Daniel R. Crum, Peter A. Kotlarek, George W. Brandt, Gene Fields, Joe T. Hill, John R. Williams, Robert E. Utter
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Feb 12, 1991
Inventors
Daniel R. Crum
Peter A. Kotlarek
George W. Brandt
Gene Fields
Joe T. Hill
John R. Williams
Robert E. Utter
Assignee (at issue)
American Standard Inc.
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.