Granted Patent
Utility
US 5,221,059 · App. 07/852,831
Uniform yarn tensioning
Inventors:
Andrew M. Coons, III, Leonard C. Vickery, Jr.
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Mar 16, 1992
Inventors
Andrew M. Coons, III
Leonard C. Vickery, Jr.
Assignee (at issue)
BASF SE
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.