IP Library Granted Patent US 4,088,931
Granted Patent Utility
US 4,088,931 · App. 05/722,600

Pincushion correction circuit

Inventor: Peter E. Haferl
Patented Case View Patent ↗
Granted: May 9, 1978 Filed: Sep 13, 1976
Inventor
Peter E. Haferl
Assignee (at issue)
RCA 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 4,088,931
App. No.
05/722,600
Filed
1976-09-13
Granted
1978-05-09
Kind
A