Granted Patent
Utility
US 4,878,402 · App. 07/165,749
Water resistant control linkage
Inventor:
John W. Behringer
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Mar 9, 1988
Inventor
John W. Behringer
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.