IP Library › Granted Patent US 5,196,687
Granted Patent Utility
US 5,196,687 · App. 07/421,777

Card reader having locking mechanism

Inventors: Kiyotaka Sugino, Teruyoshi Yufu, Masayuki Ishii
Patented Case View Patent ↗
Granted: Mar 23, 1993 Filed: Oct 16, 1989
Inventors
Kiyotaka Sugino
Teruyoshi Yufu
Masayuki Ishii
Assignee (at issue)
Omron Tateisi Electronics

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 5,196,687
App. No.
07/421,777
Filed
1989-10-16
Granted
1993-03-23
Kind
A