Granted Patent
Utility
US 5,366,318 · App. 08/108,537
Sump assembly
Inventor:
Rodney E. Brancher
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Aug 19, 1993
Inventor
Rodney E. Brancher
Assignee (at issue)
Environ Products, 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.