Patents by Inventor Douglas M. Sakariason

Douglas M. Sakariason 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).

  • Strip feeding mechanism
    Patent number: 4029247
    Abstract: A feeding mechanism for supplying elongated strips of material, such as photographic print paper and the like, in a tension-free state by use of a slack loop of said material, the size of which varies in response to the demands of a processing machine. Said loop actuates a switch for energizing and deenergizing a drive mechanism for supplying said loop from a supply roll so that the size of the slack loop directly controls the supply mechanism.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: June 14, 1977
    Assignee: Pako Corporation
    Inventor: Douglas M. Sakariason