Patents by Inventor James E. Jackman

James E. Jackman 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 cartridge cleaner
    Patent number: 4416702
    Abstract: Improved apparatus for cleaning generally cylindrical articles of irregular configuration and, particularly, for cleaning straps of the type used to hold magnetic tape and supplied by manufacturers for use with magnetic tapes. The apparatus comprises a porous cleaning element comprised of multiple felt-cleaning faces resiliently mounted for contact with the inside of the cylinder, or ring, of the strap. The porous elements form means to remove dirt from the article being cleaned without any accumulation of excess dirt on the cleaning head.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: November 22, 1983
    Assignee: Graham Magnetics, Incorporated
    Inventor: James E. Jackman