Patents Represented by Attorney Douglas L. Tshida

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  • Sanitary drain adaptor
    Patent number: 5134727
    Abstract: A hollowed platform mountable between a toilet stool and floor and permitting one or more above-grade waste plumbing connections. Each take-off port is recessed from a primary flow channel and a vacuum break groove interconnects each port with the other.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: August 4, 1992
    Inventor: William A. Scott