Granted Patent
Utility
US 4,304,092 · App. 06/160,519
Novelty slub fiber
Inventors:
Thomas P. Bridges, Paul R. Cox, Jr.
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Jun 18, 1980
Inventors
Thomas P. Bridges
Paul R. Cox, Jr.
Assignee (at issue)
HERCULES 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.