Granted Patent
Utility
US 4,396,665 · App. 06/159,753
Self-adhesive roofing laminates having metal layer therein
Inventor:
Paul E. Rowe
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jun 16, 1980
Inventor
Paul E. Rowe
Assignee (at issue)
W. R. Grace & Co.
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.