Granted Patent
Utility
US 4,824,709 · App. 07/198,151
Textile product with backcoating comprising smoke suppressant and/or flame retardant intumescent particles
Inventor:
Richard P. Tschirch
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: May 24, 1988
Inventor
Richard P. Tschirch
Assignee (at issue)
COLLINS & AIKMAN CORPORATION
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.