IP Library › Granted Patent US 4,319,145
Granted Patent Utility
US 4,319,145 · App. 06/110,885

Control interface circuit

Inventor: Otto L. Apfelbeck
Patented Case View Patent ↗
Granted: Mar 9, 1982 Filed: Jan 10, 1980
Inventor
Otto L. Apfelbeck
Assignee (at issue)
Westinghouse Electric Company LLC

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 4,319,145
App. No.
06/110,885
Filed
1980-01-10
Granted
1982-03-09
Kind
A