Granted Patent
Utility
US 5,212,964 · App. 07/958,436
Scroll apparatus with enhanced lubricant flow
Inventors:
Robert E. Utter, Daniel R. Crum, Peter A. Kotlarek
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Oct 7, 1992
Inventors
Robert E. Utter
Daniel R. Crum
Peter A. Kotlarek
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.