Granted Patent
Utility
US 4,595,188 · App. 06/671,598
Envelope feeding system and speed control for mail sorting machines
Inventors:
David Wiley, Roy Akers
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Nov 15, 1984
Inventors
David Wiley
Roy Akers
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.