Granted Patent
Utility
US 5,881,692 · App. 08/944,220
Ventless fluid reservoir
Inventor:
George G. Lassanske
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Oct 6, 1997
Inventor
George G. Lassanske
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.