IP Library Granted Patent US 5,345,347
Granted Patent Utility
US 5,345,347 · App. 07/836,775

Disk drive with reduced power modes

Inventors: Donn A. Hopkins, Kenneth D. Donner, Marc B. Goldstone, Dung T. Nguyen, Rudolf Wiegand, David McKinley
Patented Case View Patent ↗
Granted: Sep 6, 1994 Filed: Feb 18, 1992
Inventors
Donn A. Hopkins
Kenneth D. Donner
Marc B. Goldstone
Dung T. Nguyen
Rudolf Wiegand
David McKinley
Assignee (at issue)
Western Digital

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 5,345,347
App. No.
07/836,775
Filed
1992-02-18
Granted
1994-09-06
Kind
A