Patents Represented by Attorney David A. Roodman

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  • Compost bin
    Patent number: D337188
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: July 6, 1993
    Inventor: Robert J. Bonskowski
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    Patent number: D354720
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: January 24, 1995
    Inventor: David R. Estes