A & K Development Co.
Atanassov Atanas K.
Bennett Kevis
Felste Co., Inc.
Georgiev Ivan N.
King John Andrew
Kováacs ÁArpáad Fáabiáan
Mitkov Atanas L.
Modimp (Proprietary) Limited
Mollnow Jon F.
Radulov Peter T.
Rigoon Patents & Engineering, P.C.
Schloesser Alvin J.
Schloesser Christopher M.
Schlough Stuart E.
Stoyanov Iliya Y.
Visagie Andrie Diederich
VTU "Angel Kantchev"