Granted Patent
Utility
US 4,327,872 · App. 06/127,166
Yarn end retainer
Inventors:
Harold G. Sachleben, Robert Lees
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Mar 4, 1980
Inventors
Harold G. Sachleben
Robert Lees
Assignee (at issue)
ALLIED CONSULTING, INC.
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.