IP Library Granted Patent US 5,154,172
Granted Patent Utility
US 5,154,172 · App. 07/434,985

Constant current sources with programmable voltage source

Inventors: Reese F. Terry, Jr., Henry Stanislaw, Anthony J. Varrichio, William Winstrom
Patented Case View Patent ↗
Granted: Oct 13, 1992 Filed: Nov 13, 1989
Inventors
Reese F. Terry, Jr.
Henry Stanislaw
Anthony J. Varrichio
William Winstrom
Assignee (at issue)
Cybersonics, 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 5,154,172
App. No.
07/434,985
Filed
1989-11-13
Granted
1992-10-13
Kind
A