Patents by Inventor David Lawrence Rowden

David Lawrence Rowden 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: 5893312
    Abstract: A film re-shaping device for orienting and re-shaping the end of a filmstrip in a desired configuration having, a base, an alignment post mounted on the base, an elongated metal lower die plate with an guide hole for positioning the die plate over the alignment post, formed in the desired end-of-filmstrip configuration, a film guide mounted on the die plate for aligning an edge of the filmstrip, a film edge spring for keeping the filmstrip against the film guide, a spring loaded roller attached to the base for bearing on the filmstrip and flattening the filmstrip against the die plate surface, and an elongated metal upper punch plate having an guide hole for positioning the punch plate over the alignment post and aligning the plates accurately with each other, formed at the film re-shaping end in the desired end-of-filmstrip configuration, whereby the filmstrip is captured between the upper and lower plates, is described.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: April 13, 1999
    Assignee: Eastman Kodak Company
    Inventors: Dennis Francis Tianello, David Lawrence Rowden