Granted Patent
Utility
US 4,295,306 · App. 06/089,118
Window clip retainer
Inventor:
Ronald H. Garman
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: May 29, 1979
Inventor
Ronald H. Garman
Assignee (at issue)
Caterpillar Tractor Co.
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.