Granted Patent
Utility
US 6,067,928 · App. 08/942,480
Filament guide assembly especially useful in combination with filament finish applicators
Inventors:
Carl R. Holzer, Jr., Richard T. Phelps, III, Gary W. Hanwell, David L. Caldwell
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Oct 2, 1997
Inventors
Carl R. Holzer, Jr.
Richard T. Phelps, III
Gary W. Hanwell
David L. Caldwell
Assignee (at issue)
BASF SE
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.