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Patent Collection

All profits of these prints go directly to help fund student scholarships and service learning grants available through the LETU Office of Global Initiatives.
9 products
  • Earthworking Scraper - Patent No. 3,183,609
    $60.00
    $60.00
  • Bulldozing Machine - Patent No. 2,630,638
    $60.00
    $60.00
  • Excavating Machine - Patent No. 2,762,141
    $60.00
    $60.00
  • The R.G. LeTourneau Patent Collection: No Big Problems
    $60.00
    $60.00
  • Mobile Sea Platform - Patent No. 3,011,467
    $60.00
    $60.00
  • Electric Wheel - Patent No. 2,726,726
    $60.00
    $60.00
  • Two-wheel Tractor - Patent No. 2,454,070
    $60.00
    $60.00
  • Scraper – Patent No. 1,470,853
    $60.00
    $60.00
  • Land Clearing Machine - Patent No. 2,959,201
    $60.00
    $60.00