Patents by Inventor James Michael Marsh

James Michael Marsh 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: 4008483
    Abstract: A cassette is provided for manually transporting a sheet of photographic film from one station to another without exposing the film to ambient light. The cassette comprises a light-tight enclosure provided at one end with a pair of rollers and at the other end with a resilient light seal. The rollers are adapted to be rotated in response to engagement with driven rollers associated with one station for advancing a film sheet into the cassette. The film sheet is positioned within the enclosure with a lead end thereof protruding from the resilient light seal. The cassette is then carried to another station where the lead end of the film is adapted to be inserted into a pair of driven rollers associated with another station for withdrawing the film sheet from the cassette.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: February 15, 1977
    Assignee: Addressograph Multigraph Corporation
    Inventors: William R. Swift, James Michael Marsh, Clyde E. LeFevre
  • Patent number: 3986609
    Abstract: A microfiche film pack having a pair of opaque covers, one of which is formed with an offset portion providing a pocket. A sheet of photosensitive material is partially positioned in said pocket, and has a tab which extends from the pocket, there being a light trap in the form of elongated indentations in said covers on opposite sides of said photosensitive sheet. The tab near the indentations is formed with several apertures through which the covers are bonded to each other to cooperate with the indentations in providing the light trap.The covers are provided with an end portion to be held in fixed position relative to the tab on the photosensitive sheet to enable the latter to be pulled from the pocket in the covers.
    Type: Grant
    Filed: July 19, 1974
    Date of Patent: October 19, 1976
    Assignee: Addressograph-Multigraph Corporation
    Inventors: James Michael Marsh, William R. Swift