Granted Patent
Utility
US 4,680,212 · App. 06/914,507
Stain resistant nylon fibers
Inventors:
Randolph C. Blyth, Pompelio A. Ucci
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Oct 2, 1986
Inventors
Randolph C. Blyth
Pompelio A. Ucci
Assignee (at issue)
Monsanto 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.