Granted Patent
Utility
US 4,680,209 · App. 06/884,929
Self sticking carpet tiles
Inventors:
Walter C. Zybko, William Wald, Thomas V. McClure
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Jul 14, 1986
Inventors
Walter C. Zybko
William Wald
Thomas V. McClure
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.