Granted Patent
Utility
US 5,122,040 · App. 07/778,761
Scroll member and method of forming a scroll member
Inventor:
Gene Fields
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Oct 21, 1991
Inventor
Gene Fields
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.