Patents by Inventor Leonard N. Bevan

Leonard N. Bevan 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).

  • Sheet material for use in a method for non-impact printing, photocopying and like reprographic processes
    Patent number: 4996184
    Abstract: Sheets of material, such as paper, having one one face a coating A of image-forming material (such as the CB coating of a carbonless copy system) are formed into pairs (51,52) connected together along one edge (53), by folding or by means of adhesive, with the coated faces (51a, 52a) in face-to-face contact leaving the remaining faces (51b, 25b) exposed, and such double sheets (50) are formed into stacks for use in non-impact printing processes by a method in which the printing is performed successively on the two exposed faces of the pairs of sheets and the two sheets are then separated.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: February 26, 1991
    Assignee: Carrs Paper Limited
    Inventors: Leonard N. Bevan, Colin R. Moore, Victor G. Atkinson