Granted Patent
Utility
US 6,544,658 · App. 09/853,636
Non-stick polymer coated aluminum foil
Inventor:
Bruce Robbins
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: May 14, 2001
Inventor
Bruce Robbins
Assignee (at issue)
Reynolds Metals Company
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.