Olsson Åke
Oltman Darrell A.
Olyslagers Meindert A.
Om Carrelli Elevatori S.p.A.
Omachi Akira
Omdahl Elmore P.
Omni Products, Inc.
Onders James P.
Ophoff Earl F.
Oppedahl Patent Law Form Firm LLC
Opsahl Scott
Orbis Canada Limited
Ordonez Carlos G.
Origineering Enterprises Pte. Ltd.
Orlesky Keith
Orlowski Witold
Orphan John T.
Orr Daniel Eugene
Osborn Roy L.
Osborne Bryce D.