IP Library › Granted Patent US 5,498,932
Granted Patent Utility
US 5,498,932 · App. 08/297,120

Drive voltage generating circuit having a contrast control function

Inventors: Yasuhiro Shin, Takashi Hamamoto
Patented Case View Patent ↗
Granted: Mar 12, 1996 Filed: Aug 29, 1994
Inventors
Yasuhiro Shin
Takashi Hamamoto
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.

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 5,498,932
App. No.
08/297,120
Filed
1994-08-29
Granted
1996-03-12
Kind
A