Granted Patent
Utility
US 4,950,945 · App. 07/338,193
Tension mask securement means and process therefor
Inventors:
James R. Fendley, Janice L. Wichmann
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Apr 14, 1989
Inventors
James R. Fendley
Janice L. Wichmann
Assignee (at issue)
Zenith Electronics LLC
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.