Granted Patent
Utility
US 6,109,559 · App. 09/171,846
Rider roll unit for winding machines
Inventors:
G. Walter Dorfel, Bernd Goerner
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Oct 26, 1998
Inventors
G. Walter Dorfel
Bernd Goerner
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.