Granted Patent
Utility
US 4,655,696 · App. 06/797,733
Anti-rotation coupling for a scroll machine
Inventor:
Robert E. Utter
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Nov 14, 1985
Inventor
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.