IP Library Granted Patent US 4,588,393
Granted Patent Utility
US 4,588,393 · App. 06/497,642

Apparatus and method for folding cut sheet paper

Inventors: John Cogswell, Robert Fokos
Patented Case View Patent ↗
Granted: May 13, 1986 Filed: May 24, 1983
Inventors
John Cogswell
Robert Fokos
Assignee (at issue)
Sun Chemical Corporation

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 4,588,393
App. No.
06/497,642
Filed
1983-05-24
Granted
1986-05-13
Kind
A