IP Library › Granted Patent US 4,760,247
Granted Patent Utility
US 4,760,247 · App. 06/848,665

Optical card reader utilizing area image processing

Inventors: Martin A. Keane, Charles H. Black
Patented Case View Patent ↗
Granted: Jul 26, 1988 Filed: Apr 4, 1986
Inventors
Martin A. Keane
Charles H. Black
Assignee (at issue)
Bally Manufacturing 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 4,760,247
App. No.
06/848,665
Filed
1986-04-04
Granted
1988-07-26
Kind
A