Granted Patent
Utility
US 5,215,487 · App. 07/823,293
Marine propulsion device water inlet screen
Inventor:
Erick L. Gruber
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Jan 21, 1992
Inventor
Erick L. Gruber
Assignee (at issue)
Outboard Marine Corporation
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.