Porath Jörg
Potenza Marcello
Powerlase Limited
Powers Michael
Pratt Roland Henry
PRC Corp.
PRC Corporation
Prelas Mark A.
Pribil Klaus
Principia Optics Incorporated
Principia Optics, Inc.
Principia, Optics, Ltd.
Prior Lehiam
Prokhorov Aleksandr Mikhailovitch
Prokhorov Alexandr Mikhaylovich
Propp Bill
Protopopescu Vladimir
Prupp William
Pugh Evan R.
Pun Edwin Y. B.