IP Library › Granted Patent US 4,595,277
Granted Patent Utility
US 4,595,277 · App. 06/574,820

Toner supply control system

Inventors: Andrzej Maczuszenko, Sotos M. Theodoulou, Kenneth L. Hurley, Dolf Landheer
Patented Case View Patent ↗
Granted: Jun 17, 1986 Filed: Jan 30, 1984
Inventors
Andrzej Maczuszenko
Sotos M. Theodoulou
Kenneth L. Hurley
Dolf Landheer

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 4,595,277
App. No.
06/574,820
Filed
1984-01-30
Granted
1986-06-17
Kind
A