Granted Patent
Utility
US 5,198,483 · App. 07/808,387
Flame retardants
Inventor:
James Gainer
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Dec 16, 1991
Inventor
James Gainer
Assignee (at issue)
FMC 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.