IP Library Granted Patent US 4,811,278
Granted Patent Utility
US 4,811,278 · App. 06/944,955

Secondary storage facility employing serial communications between drive and controller

Inventors: Robert G. Bean, Michael E. Beckman, Barry L. Rubinson, Edward A. Gardner, O. Winston Sergeant, Peter T. McLean
Patented Case View Patent ↗
Granted: Mar 7, 1989 Filed: Mar 23, 1987
Inventors
Robert G. Bean
Michael E. Beckman
Barry L. Rubinson
Edward A. Gardner
O. Winston Sergeant
Peter T. McLean

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 4,811,278
App. No.
06/944,955
Filed
1987-03-23
Granted
1989-03-07
Kind
A