Orikasa Hiroaki
Orner Benjamin
Orser Harvey E.
Orser Jerald T.
Osa Ana Urquizu
Osborn Merritt Armstrong
Osborne William George
Osborne, Jr. Thomas D.
Oshima Tameyoshi
Osmond M. Wayne
OsteoMed L.P.
Ostfeld David
Oswald Leibinger GmbH
Otsuki Toshinori
Ott John E.
Otters Timothy P.
Ou Hongbing
Owens Michael L.
Owoc Gregory J.
Owoc Gregory John