Granted Patent
Utility
US 4,661,116 · App. 06/696,926
Continuous dyeing of cationic dyeable polyester fibers
Inventors:
Frederick E. Barwick, III, Kyle Pearce
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Jan 31, 1985
Inventors
Frederick E. Barwick, III
Kyle Pearce
Assignee (at issue)
COLLINS & AIKMAN CORPORATION
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.