IP Library Granted Patent US 5,287,513
Granted Patent Utility
US 5,287,513 · App. 07/848,382

Multiplex data ring transmission

Inventor: Stephen P. Ferguson
Patented Case View Patent ↗
Granted: Feb 15, 1994 Filed: Mar 9, 1992
Inventor
Stephen P. Ferguson
Assignee (at issue)
GPT Limited

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 5,287,513
App. No.
07/848,382
Filed
1992-03-09
Granted
1994-02-15
Kind
A