Granted Patent
Utility
US 4,517,224 · App. 06/524,156
Method for removing a phosphor layer from a support surface
Inventor:
Lawrence H. Ditty
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Aug 18, 1983
Inventor
Lawrence H. Ditty
Assignee (at issue)
RCA Corporation
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.