IP Library Granted Patent US 5,233,448
Granted Patent Utility
US 5,233,448 · App. 07/877,711

Method of manufacturing a liquid crystal display panel including photoconductive electrostatic protection

Inventor: Biing-Seng Wu
Patented Case View Patent ↗
Granted: Aug 3, 1993 Filed: May 4, 1992
Inventor
Biing-Seng Wu
Assignee (at issue)
Industrial Technology Research Institute

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 5,233,448
App. No.
07/877,711
Filed
1992-05-04
Granted
1993-08-03
Kind
A