Patents by Inventor David C. Cunbers

David C. Cunbers 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).

  • Method of making non-woven fabrics
    Patent number: 4088726
    Abstract: A thermally segmentally bonded non-woven fabric having an attractive pattern of irregular bonds and a process for preparing it using heated patterned calender rolls having thereon surface patterns of lands with depressions between, one consisting of continuous lands and the other of isolated projections arranged in a particular way so that lands which oppose each other in the nip overlap to different extents.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: May 9, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventor: David C. Cunbers