Granted Patent
Utility
US 4,462,531 · App. 06/416,682
Paper feed tractor with belt tensioning
Inventor:
Alan F. Seitz
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Sep 10, 1982
Inventor
Alan F. Seitz
Assignee (at issue)
DataMotion, Inc.
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.