O'brian Rodney W.
O'keeffe Eric
O'neill Daniel E.
Oberg Hans
Octrooibureau Kisch N.v.
Odde David J.
Oerter Jurgen
Oezmerih Levent
Oh Je H.
Ohio Agricultural Research And Development Center
Okvist Alf
Oladunni Olutayo O.
Oldendorf Eric W.
Olsen Peter M.
Olsen Peter Martin
Olsen Roderick (jr.)
Olson Douglas E.
Olson Stewart B.
Omega Design Corporation
Omya G.m.b.h.