IP Library › Granted Patent US 4,965,909
Granted Patent Utility
US 4,965,909 · App. 07/354,890

Safety control for power operated equipment

Inventors: Timothy J. McCullough, Giorgio Grasselli
Patented Case View Patent ↗
Granted: Oct 30, 1990 Filed: May 19, 1989
Inventors
Timothy J. McCullough
Giorgio Grasselli

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 4,965,909
App. No.
07/354,890
Filed
1989-05-19
Granted
1990-10-30
Kind
A