Granted Patent
Utility
US 6,439,488 · App. 09/723,119
Tensioning device for circular knitting machine
Inventor:
Bobby Hunter
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 27, 2000
Inventor
Bobby Hunter
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.