Patents by Inventor Per Molinder

Per Molinder 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).

  • Device for controlling the correct positioning of a film cassette in a cassette holder
    Patent number: 4319837
    Abstract: A system for assuring the correct positioning of a film cassette in a cassette holder in a device in which documents are withdrawn from a holder and transported to a position where they are photographed utilizing the film in the cassette, in which at least one suction cup is attached to the cassette holder with the cup having an opening lying in a plane corresponding to the correct position of the cassette in the holder and the suction cup is connected to a vacuum system and a pressure-sensitive device which is responsive to the correct or incorrect position of the cassette in the holder to operate or disable the document withdrawal mechanism or its drive source.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: March 16, 1982
    Assignee: Hugin Kassaregister AB
    Inventors: Bengt Akerstrom, Per Molinder