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3374036
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Patent number 3,374,036
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Issue date Mar 19, 1968
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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3063401
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Patent number 3,063,401
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Issue date Nov 13, 1962
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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2705378
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Patent number 2,705,378
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Issue date Apr 5, 1955
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E21 - EARTH DRILLING MINING
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2599592
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Patent number 2,599,592
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Issue date Jun 10, 1952
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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2326659
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Patent number 2,326,659
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Issue date Aug 10, 1943
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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2141421
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Patent number 2,141,421
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Issue date Dec 27, 1938
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1730059
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Patent number 1,730,059
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Issue date Oct 1, 1929
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1629768
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Patent number 1,629,768
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Issue date May 24, 1927
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1580653
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Patent number 1,580,653
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Issue date Apr 13, 1926
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1437693
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Patent number 1,437,693
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Issue date Dec 5, 1922
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS