TREA

R. Lent Crevling Jr.

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  • Williamsport, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sweeper
    • Patent number D290055
    • Issue date May 26, 1987
    • Shop-Vac Corporation
    • Robert C. Berfield
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Rotary brush sweeper with mechanism for brush height adjustment
    • Patent number 4,658,458
    • Issue date Apr 21, 1987
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...