Patents by Inventor Patrick Kevin Milligan

Patrick Kevin Milligan 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: 6036133
    Abstract: An apparatus (11) for aligning and positioning a mason's string (13) is provided which comprises a pair of line blocks (11). A housing (15) for the line blocks (11) is provided containing a spring-loaded (29) reel assembly (25) around which the string (13) is coiled. The reel assemblies (25) of each line blocks (11) cooperate with each other to tension the string (13) and hold the line block (11) in place on the workpiece (21) upon which the device (11) is attached. In an alternative embodiment, a weight (43) is placed on or about the housing (15) to assist in attaching the apparatus (11) to the workpiece (21).
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: March 14, 2000
    Inventor: Patrick Kevin Milligan