Granted Patent
Utility
US 5,927,635 · App. 08/925,806
Rotatable handle for disposable spool
Inventors:
Wesley F. Black, Robert J. Black, Ronald L. Black, Charles D. Black
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Sep 9, 1997
Inventors
Wesley F. Black
Robert J. Black
Ronald L. Black
Charles D. Black
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.