Granted Patent
Utility
US 4,749,378 · App. 06/906,380
Process for improving the flame-resistant properties of aramid fibers
Inventors:
Barbara J. Cates, Tanya E. FitzGerald, James K. Davis, Ernest J. Russell
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Sep 12, 1986
Inventors
Barbara J. Cates
Tanya E. FitzGerald
James K. Davis
Ernest J. Russell
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.