Granted Patent
Utility
US 4,891,086 · App. 07/252,214
Strand coating method
Inventors:
Thomas Howard Austin, Dudley J. Primeaux, II
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Oct 3, 1988
Inventors
Thomas Howard Austin
Dudley J. Primeaux, II
Assignee (at issue)
Texaco Inc.
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.