Patents by Inventor Clyde E. LeFevre

Clyde E. LeFevre 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: 4242819
    Abstract: A microfiche carrier assembly is provided comprising a core of flexible but relatively rigid sheet material having a thin cover sheet provided with an adhesive surface for securing the cover sheet to the core so as to seal both faces and one end of the core. The cover sheet extends beyond the other end of the core to provide overhanging flaps forming a pocket therebetween with the adhesive surfaces of the flaps facing inwardly. A marginal edge of a microfiche is positioned in the pocket and is secured therein by the flaps. The microfiche carrier assembly is also provided with selector means in the form of a perforation at a predetermined location in a selector field to permit retrieval of a selected microfiche from a deck of microfiche carrier assemblies contained, for example, in a magazine.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: January 6, 1981
    Assignee: AM International, Inc.
    Inventors: William R. Swift, Clyde E. LeFevre
  • 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