Patents by Inventor Robert G. Bexley

Robert G. Bexley 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: 4377430
    Abstract: A book cover making process feeds transparent polymer sheet material from a roll of material across a plurality of roller cutting blades for making cuts a portion of the way through the material. The polymer sheet material being fed is coated with adhesive in two space coats on either side of the cut lines on the opposite side of the sheet from the cut lines. The coated adhesive is covered with backing material and the polymer sheet material is then cut into predetermined sizes to form book covers. The coating and backing may be done in one operation and rewound onto a roll and fed from the rewound roll for cutting to size and then have a plurality of lines cut into the individual polymer sheets.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: March 22, 1983
    Inventors: Robert G. Bexley, Barry South Thomson