Okada Tadashi
Oliver Theodore A.
Olliffe David William
Ooyama Mitsuhiro
Osuga Masuo
Ota Mitsuharu
Ottoson Allen E.
Overland Donald L.
Oyama Mitsuhiro
Oyama Tomio
Palm William A.
Papast-Motoren GmbH & Co. KG
Parker Bruce Trayton
Parker Graham A.
Parkes Christopher W.
Penet Pierre M. M.
Penner Arnold E.
Peterson Donovan F.
Petit Jean C.
Petkovic Peter M.