Granted Patent
Utility
US 5,322,727 · App. 07/964,167
Plasma spray masking tape
Inventors:
Edward V. Yankus, Robert F. Hamilton
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Oct 21, 1992
Inventors
Edward V. Yankus
Robert F. Hamilton
Assignee (at issue)
AlliedSignal, Inc.
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.