Granted Patent
Utility
US 5,137,791 · App. 07/681,073
Metal-film laminate resistant to delamination
Inventor:
Richard L. Swisher
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Apr 5, 1991
Inventor
Richard L. Swisher
Assignee (at issue)
Sheldahl, 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.