TREA

Mark R. Alt

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  • Chicago Heights, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Excavator dipper latch assembly having removable tapered latch bar
    • Patent number 5,815,958
    • Issue date Oct 6, 1998
    • The Frog, Switch & Manufacturing Co.
    • John R. Olds
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Coupling link
    • Patent number 4,525,994
    • Issue date Jul 2, 1985
    • Abex Corporation
    • Mark R. Alt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Snubber for dipper door
    • Patent number 4,517,756
    • Issue date May 21, 1985
    • Abex Corporation
    • John R. Olds
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING