Granted Patent
Utility
US 4,446,983 · App. 06/337,677
Reservoir cover having a defined peripheral sump
Inventor:
Dennis H. Gerber
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Jan 7, 1982
Inventor
Dennis H. Gerber
Assignee (at issue)
Burke Industries, 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.