IP Library Granted Patent US 4,912,347
Granted Patent Utility
US 4,912,347 · App. 07/089,284

CMOS to ECL output buffer

Inventor: Bernard L. Morris
Patented Case View Patent ↗
Granted: Mar 27, 1990 Filed: Aug 25, 1987
Inventor
Bernard L. Morris
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.

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 4,912,347
App. No.
07/089,284
Filed
1987-08-25
Granted
1990-03-27
Kind
A