IP Library Granted Patent US 4,679,060
Granted Patent Utility
US 4,679,060 · App. 06/675,664

Ionic print cartridge and printer

Inventors: Robert McCallum, Paul E. Plasschaert, Dolf Landheer, Hemant Gandhi
Patented Case View Patent ↗
Granted: Jul 7, 1987 Filed: Nov 28, 1984
Inventors
Robert McCallum
Paul E. Plasschaert
Dolf Landheer
Hemant Gandhi

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 4,679,060
App. No.
06/675,664
Filed
1984-11-28
Granted
1987-07-07
Kind
A