Patents by Inventor James T. Muraski

James T. Muraski 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).

  • Patent number: 5685526
    Abstract: A magnetic tape cassette reel spring having an elongated lamina of ferromagnetic steel including a base portion adapted to joined to a housing of the magnetic tape cassette and at least one leg portion extending obliquely out of the plane of the base along the longitudinal axis of the lamina, for resiliently engaging a reel of the magnetic tape cassette. The reel spring also includes an impervious coating disposed over an entire outer surface of the spring substantially enclosing and containing contamination from the spring.
    Type: Grant
    Filed: April 24, 1996
    Date of Patent: November 11, 1997
    Assignee: Jason, Inc.
    Inventor: James T. Muraski
  • Patent number: 5568914
    Abstract: A magnetic tape cassette reel spring of ferromagnetic material such as mild steel with yield strength slightly greater than 100,000 psi coated with a impervious layer. Alloy steel and AISI constructional steels are also suitable. The coating inhibits contamination of the magnetic tape and may include nickel plate, zinc plate, lacquer, paint, varnish and polymer coatings. A method includes coating a steel sheet, slitting the sheet and stamping the spring configuration from the slit strips of the sheet.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: October 29, 1996
    Assignee: Jason, Inc.
    Inventor: James T. Muraski