Granted Patent
Utility
US 5,152,115 · App. 07/667,703
Roofing/cladding system
Inventor:
Donald P. Cotter
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Mar 11, 1991
Inventor
Donald P. Cotter
Assignee (at issue)
Cotterco, 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.