Patents by Inventor Liam D. Philpotts

Liam D. Philpotts 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).

  • Publication number: 20120056020
    Abstract: A line marker includes a first beam (9) and a second beam (13) pivotally attached to the first beam such that the second beam is pivotable about a pivot point (15, 17) relative to the first beam. A spray nozzle (35) is provided on the second beam (13) so as to mark an arcuate line centered on the pivot point of the second beam. The line marker may be incorporated into a mobile line marking apparatus which includes a wheeled chassis (1) provided with apparatus for marking a substantially straight line.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 8, 2012
    Inventor: Liam D. Philpotts