Patents by Inventor Cyril Green

Cyril Green 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).

  • Duplicating stencil
    Patent number: 4535690
    Abstract: Duplicating stencils of the kind used on typewriters and word-processors are given a much improved working life by providing the stencil sheet with flexible reinforcement at that part of the sheet which first contacts the sheet of paper which receives the duplicated image, and between the upper limit of the area of the sheet which is imaged and the adjacent edge.
    Type: Grant
    Filed: March 15, 1983
    Date of Patent: August 20, 1985
    Assignee: Gestetner Manufacturing Limited
    Inventors: Jonathan Gestetner, Cyril Green, Thomas Hanrahan