IP Library Granted Patent US 5,586,248
Granted Patent Utility
US 5,586,248 · App. 08/402,731

Disk drive controller with a posted write cache memory

Inventors: Dennis J. Alexander, Ryan A. Callison, Ralph S. Perry
Patented Case View Patent ↗
Granted: Dec 17, 1996 Filed: Mar 13, 1995
Inventors
Dennis J. Alexander
Ryan A. Callison
Ralph S. Perry
Assignee (at issue)
Compaq Computer Corporation

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 5,586,248
App. No.
08/402,731
Filed
1995-03-13
Granted
1996-12-17
Kind
A