TREA

William H. Chaffee

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Support structure
    • Patent number 4,727,960
    • Issue date Mar 1, 1988
    • William H. Chaffee
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Frame construction
    • Patent number 4,187,649
    • Issue date Feb 12, 1980
    • Technical Exhibits Corporation
    • William H. Chaffee
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Method and apparatus for forming wound music string
    • Patent number 3,990,220
    • Issue date Nov 9, 1976
    • Model Builders, Inc.
    • William H. Chaffee
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Panel connector
    • Patent number 3,962,827
    • Issue date Jun 15, 1976
    • Model Builders, Inc.
    • William H. Chaffee
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES