Patents by Inventor Bobby C. Lawrence

Bobby C. Lawrence 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).

  • Street cleaning and herbicide applicator apparatus
    Patent number: 5097560
    Abstract: An apparatus wherein a herbicide applicator spray organization is mounted to a self-propelled street cleaning vehicle. The vehicle includes a forward rotary brush and a rear rotary brush, the forward rotary brush and herbicide applicator spray head are mounted to a parallel link support framework. A storage tank delivers the herbicide fluid to the spray head through a pump and valve interconnection.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: March 24, 1992
    Inventor: Bobby C. Lawrence