IP Library › Granted Patent US 5,594,441
Granted Patent Utility
US 5,594,441 · App. 08/366,566

D/A converter with constant gate voltage

Inventor: Edward P. Coleman
Patented Case View Patent ↗
Granted: Jan 14, 1997 Filed: Dec 30, 1994
Inventor
Edward P. Coleman
Assignee (at issue)
PSC, INC.

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 5,594,441
App. No.
08/366,566
Filed
1994-12-30
Granted
1997-01-14
Kind
A