Granted Patent
Utility
US 5,809,709 · App. 08/713,214
Method and apparatus for covering surfaces
Inventors:
James Patrick Ryan, Dale L. Sherry
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Sep 12, 1996
Inventors
James Patrick Ryan
Dale L. Sherry
Assignee (at issue)
THERM-ALL, 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.