IP Library Granted Patent US 6,181,528
Granted Patent Utility
US 6,181,528 · App. 09/300,074

Magnetic disk drive with load/unload structure including a base, a body, ramps, and a H/L ratio of 2 or greater

Inventors: Robert C. Reinhart, Steven A. Hanssen, Kirk B. Price
Patented Case View Patent ↗
Granted: Jan 30, 2001 Filed: Apr 26, 1999
Inventors
Robert C. Reinhart
Steven A. Hanssen
Kirk B. Price
Assignee (at issue)
International Business Machines 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 6,181,528
App. No.
09/300,074
Filed
1999-04-26
Granted
2001-01-30
Kind
A