Patents by Inventor Jack Curtis

Jack Curtis 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).

  • Camera matte box
    Patent number: 4137540
    Abstract: A matte box for mounting on a camera and serving as a lens shade and as a support for filters, special effects, masks and the like. A shell for mounting on a camera and slidingly receiving a tray with the tray adapted for carrying the various filters and masks. A lens shade shell with interchangeable trays for quickly changing filter and/or mask loads.
    Type: Grant
    Filed: October 14, 1977
    Date of Patent: January 30, 1979
    Inventor: Jack Curtis