Granted Patent
Utility
US 4,556,602 · App. 06/613,745
Reinforced primary backing for carpet
Inventor:
Franklin E. Williams
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: May 23, 1984
Inventor
Franklin E. Williams
Assignee (at issue)
Burlington Industries LLC
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.