Granted Patent
Utility
US 4,586,934 · App. 06/714,869
Process and apparatus for coloring textile yarns
Inventors:
Paul Blalock, William C. Schwartz
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Mar 22, 1985
Inventors
Paul Blalock
William C. Schwartz
Assignee (at issue)
Burlington Industries 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.