Granted Patent
Utility
US 4,935,280 · App. 07/276,620
Heat bond tape for carpet seaming
Inventor:
Richard P. Gangi
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Nov 28, 1988
Inventor
Richard P. Gangi
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.