Patents by Inventor Paul E. Jessee

Paul E. Jessee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Spindle motor for reduced size disk drive and method of making same
    Patent number: 5181148
    Abstract: A spindle motor for two and one-half inch disks and three and one-half inch disks has a disk mounting surface with a horizontal tolerance of less than 30 micro inch to prevent warpage of a disk mounted thereon by pressure engagement. The disk mounting surface is machined to the requisite tolerance by mounting an assembled motor on a support surface of a rigid granite block table and spinning the rotor of the motor by an external drive. A cutting tool then machines the disk mounting surface.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: January 19, 1993
    Assignee: Conner Peripherals, Inc.
    Inventors: Gregory J. Blanchette, Paul E. Jessee