Granted Patent
Utility
US 4,060,280 · App. 05/703,619
Flame-resistant cushion
Inventor:
William Rudolph Van Loo
Patented Case
View Patent ↗
Granted: Nov 29, 1977
Filed: Jul 8, 1976
Inventor
William Rudolph Van Loo
Assignee (at issue)
American Seating 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.