Granted Patent
Utility
US 4,545,221 · App. 06/515,858
Adjustment and cleaning of the venturi gap in a dyeing machine
Inventors:
Winfield C. Daniel, Richard K. Sitterding
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Jul 21, 1983
Inventors
Winfield C. Daniel
Richard K. Sitterding
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.