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Electric bus
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Patent number 11,285,795
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Issue date Mar 29, 2022
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Proterra Inc.
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Dale Hill
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B60 - VEHICLES IN GENERAL
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Operable ramp
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Patent number 10,060,135
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Issue date Aug 28, 2018
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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E04 - BUILDING
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Fold out ramp
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Patent number 9,820,899
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Issue date Nov 21, 2017
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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B60 - VEHICLES IN GENERAL
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Operable ramp
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Patent number 9,708,815
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Issue date Jul 18, 2017
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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E04 - BUILDING
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Operable ramp
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Patent number 9,580,910
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Issue date Feb 28, 2017
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Lift-U, division of Hogan Mfg. Inc.
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Donald Morris
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E04 - BUILDING
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Ramp assembly with tilt sensor
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Patent number 9,271,883
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Issue date Mar 1, 2016
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Lift-U, division of Hogan Mfg., Inc.
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David Johnson
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B60 - VEHICLES IN GENERAL
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Low-floor electric bus
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Patent number 9,252,417
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Issue date Feb 2, 2016
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Proterra Inc.
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Dale Hill
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B60 - VEHICLES IN GENERAL
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Drive assembly with override mechanism
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Patent number 9,169,905
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Issue date Oct 27, 2015
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fold out ramp
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Patent number 9,050,229
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Issue date Jun 9, 2015
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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B60 - VEHICLES IN GENERAL
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Operable ramp
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Patent number 9,045,908
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Issue date Jun 2, 2015
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Operable ramp
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Patent number 8,943,631
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Issue date Feb 3, 2015
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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E04 - BUILDING
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Operable ramp
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Patent number 8,925,131
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Issue date Jan 6, 2015
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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E04 - BUILDING
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Operable ramp
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Patent number 8,918,939
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Issue date Dec 30, 2014
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Lift-U, division of Hogan, Mfg., Inc.
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Donald Morris
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E04 - BUILDING
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Operable ramp
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Patent number 8,887,337
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Issue date Nov 18, 2014
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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E04 - BUILDING
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Operable ramp
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Patent number 8,832,893
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Issue date Sep 16, 2014
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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B66 - HOISTING LIFTING HAULING
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Operable ramp
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Patent number 8,813,290
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Issue date Aug 26, 2014
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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B66 - HOISTING LIFTING HAULING
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Fold out ramp
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Patent number 8,745,800
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Issue date Jun 10, 2014
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Lift-U, division of Hogan Mfg., Inc.
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Donald Morris
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B60 - VEHICLES IN GENERAL
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Operable step
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Patent number 8,739,342
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Issue date Jun 3, 2014
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Life-U, Division of Hogan Mfg., Inc.
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David Johnson
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B66 - HOISTING LIFTING HAULING