Granted Patent
Utility
US 6,546,679 · App. 10/066,842
Self-adhesive protectant for insulated building foundation
Inventor:
Todd E. Bushberger
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Feb 4, 2002
Inventor
Todd E. Bushberger
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.