Granted Patent
Utility
US 4,285,475 · App. 06/129,967
Mechanical feed-up of web material on a recoiler
Inventor:
John William Mitchell Rogers
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Mar 13, 1980
Inventor
John William Mitchell Rogers
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.