Patents by Inventor Douglas DeLeu

Douglas DeLeu 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).

  • Mason line fastener
    Patent number: 11479984
    Abstract: A mason line fastener includes first and second adjacent outer edges forming a first corner having an outer angle. A first inner surface and second inner surface intersect to form an inner angle. The inner angle is offset from the first outer angle. The first inner surface includes a groove that extends along at least a portion of its length and through the second inner surface and through the second outer edge. A mason line may be wound around a portion of the mason line fastener and threaded through the groove and held taut when placed in connection with a block.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: October 25, 2022
    Inventor: Douglas DeLeu
  • MASON LINE FASTENER
    Publication number: 20210293039
    Abstract: A mason line fastener includes first and second adjacent outer edges forming a first corner having an outer angle. A first inner surface and second inner surface intersect to form an inner angle. The inner angle is offset from the first outer angle. The first inner surface includes a groove that extends along at least a portion of its length and through the second inner surface and through the second outer edge. A mason line may be wound around a portion of the mason line fastener and threaded through the groove and held taut when placed in connection with a block.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 23, 2021
    Inventor: Douglas DeLeu