Paul Graham

Person

  • Worcester, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Bird feeder

    • Patent number 5,558,040
    • Issue date Sep 24, 1996
    • Droll Yankees, Inc.
    • Betsy P. Colwell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Hummingbird feeder

    • Patent number 5,454,348
    • Issue date Oct 3, 1995
    • Droll Yankees, Inc.
    • Betsy P. Colwell
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING