IP Library Granted Patent US 4,594,672
Granted Patent Utility
US 4,594,672 · App. 06/538,876

Multi-column plotter

Inventors: Howard E. Brewer, A. William Lyons, II
Patented Case View Patent ↗
Granted: Jun 10, 1986 Filed: Oct 4, 1983
Inventors
Howard E. Brewer
A. William Lyons, II
Assignee (at issue)
Sanders GmbH

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 4,594,672
App. No.
06/538,876
Filed
1983-10-04
Granted
1986-06-10
Kind
A