Logo Brand Number of cassettes
in catalog 		Year
Ross 12 1968 - 1969
Ross 66 2
Roticet 8 1974 - 1982
Rovette 2
Royal 1 1974 - 1974
Rozet 1
Rubin 1
Ruefach 1 1982 - 1982
Rulag 4 1978 - 1982
Rupas 3 1984 - 1984

Now on eBay