Granted Patent
Utility
US 5,167,546 · App. 07/744,952
Automatic trim system
Inventor:
Roger B. Whipple
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Aug 14, 1991
Inventor
Roger B. Whipple
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.