IP Library Granted Patent US 4,376,589
Granted Patent Utility
US 4,376,589 · App. 06/284,687

Multi-ply unglued paper drive apparatus

Inventors: Frank J. Avellanet, Robert L. Battey, Lloyd J. Burtrem
Patented Case View Patent ↗
Granted: Mar 15, 1983 Filed: Jul 20, 1981
Inventors
Frank J. Avellanet
Robert L. Battey
Lloyd J. Burtrem
Assignee (at issue)
Burroughs, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,376,589
App. No.
06/284,687
Filed
1981-07-20
Granted
1983-03-15
Kind
A