A watan Maris na 1970, Larry D. Nichols ya kirkiro 2×2×2 "Puzzle with Pieces Rotatable in Groups" kuma ya gabatar da takardar neman izinin Kanada don shi. An haɗa cube na Nichols tare da maganadiso. An ba Nichols takardar izinin Amurka 3,655,201 a ranar 11 ga Afrilu, 1972, shekaru biyu kafin Rubik ya kirkiro Cube. Tambaya: Yaushe Nichols ya nemi takardar izinin takardar izininsa?
Maris na shekara ta 1970