Granted Patent
Utility
US 4,397,261 · App. 06/316,925
Paint mask
Inventor:
Wallace R. Jones
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Oct 30, 1981
Inventor
Wallace R. Jones
Assignee (at issue)
The Excello Speciality 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.