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Stair-climbing wheeled carrier
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Patent number 11,518,424
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Issue date Dec 6, 2022
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Gary M. Kemp
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Multi-functional stroller
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Patent number 11,124,216
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Issue date Sep 21, 2021
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Michael Wein
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Stroller assembly
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Patent number 6,926,287
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Issue date Aug 9, 2005
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Bernard P. Maher
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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3497227
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Patent number 3,497,227
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Issue date Feb 24, 1970
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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3497228
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Patent number 3,497,228
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Issue date Feb 24, 1970
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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2498445
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Patent number 2,498,445
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Issue date Feb 21, 1950
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1887427
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Patent number 1,887,427
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Issue date Nov 8, 1932
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS