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Bicycle chain
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Patent number 12,031,611
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Issue date Jul 9, 2024
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MIRANDA & IRMAO, LDA.
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Joao Filipe Tavares Miranda
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drive chain system
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Patent number 12,017,732
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Issue date Jun 25, 2024
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MIRANDA & IRMAO, LDA.
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Joao Filipe Tavares Miranda
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Narrow—wide teeth chainring
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Patent number 11,739,823
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Issue date Aug 29, 2023
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MIRANDA & IRMAO, LDA.
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Joao Filipe Tavares Miranda
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Chainring
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Patent number 11,396,937
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Issue date Jul 26, 2022
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MIRANDA & IRMAO, LDA.
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Joao Filipe Tavares Miranda
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Narrow—wide teeth chainring
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Patent number 11,339,865
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Issue date May 24, 2022
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MIRANDA & IRMAO, LDA.
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Joao Filipe Tavares Miranda
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Modular crankset for bicycles
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Patent number 10,800,481
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Issue date Oct 13, 2020
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MIRANDA & IRMAO, LDA.
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Joao Filipe Tavares Miranda
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Transmission system and its use
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Patent number 10,780,944
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Issue date Sep 22, 2020
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MIRANDA & IRMAO, LDA.
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João Filipe Tavares Miranda
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Chain guard system lock nut
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Patent number 9,688,334
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Issue date Jun 27, 2017
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MIRANDA & IRMAO, LDA.
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João Filipe Tavares Miranda
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS