Patents by Inventor Philip Drell

Philip Drell 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: 4273436
    Abstract: A device for supporting a strip of photographic film and for preventing the same from curling during the drying step of developing thereof. A body portion is provided with at least one pair of hook members extending from an edge thereof. The hook members are arranged spaced apart on said edge to enable them to pass through and be positioned within the sprocket holes adjacent end frames of the film strip. One such device may be positioned at the top of a strip of film to support the same on a hanging line or pin for drying; a second device may be positioned at the bottom edge of the film strip to prevent the same from curling during said drying of the strip.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: June 16, 1981
    Assignee: Sima Products Corporation
    Inventor: Philip Drell