TREA

Don A. Bell

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  • Portland, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete cutting chain with sealed joints
    • Patent number 6,138,658
    • Issue date Oct 31, 2000
    • Blount, Inc.
    • Don A. Bell
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Saw chain for aggregate materials
    • Patent number 5,184,598
    • Issue date Feb 9, 1993
    • Blount, Inc.
    • Don A. Bell
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Chain saw sprocket
    • Patent number 5,136,783
    • Issue date Aug 11, 1992
    • Blount, Inc.
    • Don A. Bell
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Feed mechanism for a cutting device
    • Patent number 5,129,160
    • Issue date Jul 14, 1992
    • Blount, Inc.
    • Don A. Bell
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Sprocket nose guide bar for chain saws
    • Patent number 4,970,789
    • Issue date Nov 20, 1990
    • Blount, Inc.
    • Don A. Bell
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...