Patents by Inventor Tom R. Doxey

Tom R. Doxey 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).

  • Pneumatic pavement cleaning apparatus
    Patent number: 4817235
    Abstract: A pneumatic pavement cleaning apparatus (10) comprising: an air supply unit (11); a wheeled support unit (12); a drive unit (13) including an air powered motor (25); and a cleaning unit (14) operatively associated with the drive unit (13); wherein, a plurality of diverse cleaning attachment members (31) including a brush element (32) and a blade element (33) may be selectively secured to the axial drive shaft (27) of the drive unit (13).
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: April 4, 1989
    Inventors: Tom R. Doxey, Burton D. Glaser