IP Library › Granted Patent US 4,595,804
Granted Patent Utility
US 4,595,804 · App. 06/721,010

Auxiliary keyboard

Inventor: Robert N. MacConnell
Patented Case View Patent ↗
Granted: Jun 17, 1986 Filed: Apr 8, 1985
Inventor
Robert N. MacConnell
Assignee (at issue)
The Mead 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 4,595,804
App. No.
06/721,010
Filed
1985-04-08
Granted
1986-06-17
Kind
A