Granted Patent
Utility
US 4,570,916 · App. 06/671,356
Document conveying method and apparatus
Inventor:
Callie R. Thompson
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: Nov 14, 1984
Inventor
Callie R. Thompson
Assignee (at issue)
Bell and Howell, LLC
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.