Patents Represented by Attorney Willaimson Intellectual Property Law, LLC

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  • Methods and apparatuses for surface finishing cured concrete
    Patent number: 7530762
    Abstract: A method and apparatus for finishing cured concrete floors using a riding trowel to which large diameter pans are attached having a balanced distribution of abraders releasably secured to the undersides of the pans. The individual abraders are preferably individually spring biased so as to maintain full contact with the floor when traversing undulations of the floor.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: May 12, 2009
    Inventors: Johnny Reed, Paul Copoulos