IP Library Granted Patent US 5,467,745
Granted Patent Utility
US 5,467,745 · App. 08/306,272

System for determining the appropriate state of a flow control valve and controlling its state

Inventor: Thomas J. Hollis
Patented Case View Patent ↗
Granted: Nov 21, 1995 Filed: Sep 14, 1994
Inventor
Thomas J. Hollis

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 5,467,745
App. No.
08/306,272
Filed
1994-09-14
Granted
1995-11-21
Kind
A