Granted Patent
Utility
US 4,368,571 · App. 06/185,656
Sleeving method
Inventor:
Frank W. Cooper, Jr.
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Sep 9, 1980
Inventor
Frank W. Cooper, Jr.
Assignee (at issue)
Westinghouse Electric Company 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.