Granted Patent
Utility
US 4,762,744 · App. 06/894,851
Reinforcing composite for roofing membranes and process for making such composites
Inventors:
Mark Woiceshyn, Terry O'Connor, Ian G. Cooper
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Aug 8, 1986
Inventors
Mark Woiceshyn
Terry O'Connor
Ian G. Cooper
Assignee (at issue)
Bay Mills Ltd
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.