Granted Patent
Utility
US 6,794,449 · App. 10/120,751
Hot melt pressure sensitive adhesive composition for attaching roofing membranes
Inventor:
Dennis Fisher
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Apr 11, 2002
Inventor
Dennis Fisher
Assignee (at issue)
ADCO PROUCTS, LLC
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.