Granted Patent
Utility
US 4,393,341 · App. 06/273,495
Windshield cleaning system
Inventor:
James C. Byrne
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Jun 15, 1981
Inventor
James C. Byrne
Assignee (at issue)
Gulf Eastern Manufacturing Company
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.