Lloyd Hughes ("Spud"): Gwahaniaeth rhwng fersiynau

[[Dyfeisiwr]] [[sigarét|sigaréts]] [[menthol]] oedd '''Lloyd Hughes'' (neu "Spud" i'w ffrindiau), o [[Mingo Junction, Ohio|Mingo Junction]], [[Ohio]] a wnaeth y sigarét cyntaf o'r math hwn yn 1924,<ref>{{cite web|url=https://patentimages.storage.googleapis.com/pages/US1555580.png|title=Process of Treating Cigarette Tobacco|publisher=United States Patent Office}}</ref>. Ffurfiodd gwmni o'r enw 'The Spud Cigarette Corporation' gan werthu ei sigarennau am 20c am baced o ugain, o ddrws i ddrws. Yna, yn 1927 prynwyd yr hawl i greu sigarets menthol gan y cwmni Axton-Fisher Tobacco Company.<ref>[https://books.google.co.uk/books?id=OqnWDwAAQBAJ&pg=PT153&lpg=PT153&dq=Lloyd+Hughes+"Spud"++of+Mingo+Junction,+Ohio&source=bl&ots=5HPNihfSij&sig=ACfU3U0YoOx23N8kFZh1QziFtnTc6MUbQA&hl=en&sa=X&ved=2ahUKEwiXueezhcLpAhUYaRUIHbr8AnEQ6AEwAHoECAoQAQ#v=onepage&q=Lloyd%20Hughes%20"Spud"%20%20of%20Mingo%20Junction%2C%20Ohio&f=false Precision Community Health: Four Innovations for Well-being gan Bechara Choucair;] Island Press.; adalwyd 20 Mai 2020.</ref><ref>[https://books.google.co.uk/books?id=lcDspUuiNooC&pg=PA333&dq=Lloyd+Hughes+Mingo+Junction+ohio&hl=en&sa=X&ved=0ahUKEwj5kIH5jMLpAhXjRRUIHbngCwUQ6AEIMTAB#v=onepage&q=Lloyd%20Hughes%20Mingo%20Junction%20ohio&f=false ''Annual Report of the Commissioner of Patents''] gan ''United States. Patent Office''; adalwyd 20 Mai 2020.</ref>