IP Library Granted Patent US 4,725,694
Granted Patent Utility
US 4,725,694 · App. 06/862,629

Computer interface device

Inventors: Carol M. Auer, Daniel L. Castagno, Allen W. Haley, Jr., Harry H. Moore, IV, Sean O'Leary, Steven J. Paley, Thomas E. Rutt
Patented Case View Patent ↗
Granted: Feb 16, 1988 Filed: May 13, 1986
Inventors
Carol M. Auer
Daniel L. Castagno
Allen W. Haley, Jr.
Harry H. Moore, IV
Sean O'Leary
Steven J. Paley
Thomas E. Rutt
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories

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.

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Quick Facts
Patent No.
US 4,725,694
App. No.
06/862,629
Filed
1986-05-13
Granted
1988-02-16
Kind
A