Patents by Inventor Roy N. Lefevre

Roy N. Lefevre 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: 5174846
    Abstract: An elongated article is wrapped by forming thereon a winding of a strip of a flexible wrapping material (12) which has a first face (13) carrying first and second portions (13a, 13b) of a coating of an adhesive substance of a per se known kind which without the application of heat adheres strongly only to itself, the second face (15) being free from such adhesive substance, and by turning over a longitudinal edge portion of the strip which includes said first portion (13a) of the coating, as the strip is wound around the article, so as to bring it into face-to-face with the second portion (13b) of the coating on a previously formed turn of the winding.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: December 29, 1992
    Assignee: Carrs Paper Limited
    Inventors: Paul Bate, Roy N. Lefevre