Patents by Inventor Reginald William Oldershaw

Reginald William Oldershaw 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).

  • Tape pack diameter measurement means and method
    Patent number: 3938041
    Abstract: An unknown tape pack diameter is determined by measuring the inertia of the unknown tape pack and comparing the inertia with an inertia value representative of the inertia of a second tape pack of known diameter.
    Type: Grant
    Filed: June 21, 1973
    Date of Patent: February 10, 1976
    Assignee: Ampex Corporation
    Inventors: Kenneth Louth, Reginald William Oldershaw