IP Library › Granted Patent US 4,756,494
Granted Patent Utility
US 4,756,494 · App. 06/826,719

Vital switch control circuit

Inventors: Robert Kondratenko, Jack Wayne Cunningham
Patented Case View Patent ↗
Granted: Jul 12, 1988 Filed: Feb 6, 1986
Inventors
Robert Kondratenko
Jack Wayne Cunningham
Assignee (at issue)
American Standard 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 4,756,494
App. No.
06/826,719
Filed
1986-02-06
Granted
1988-07-12
Kind
A