Granted Patent
Utility
US 6,324,808 · App. 09/363,570
Assembly and method for attaching insulation material
Inventors:
William A. Lippy, William MacKenzie, III
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Jul 29, 1999
Inventors
William A. Lippy
William MacKenzie, III
Assignee (at issue)
FI-FOIL COMPANY 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.