Granted Patent
Utility
US 4,608,792 · App. 06/660,436
Roof membrane holdown system
Inventor:
Dennis H. Gerber
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Oct 12, 1984
Inventor
Dennis H. Gerber
Assignee (at issue)
Burke Industries, 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.