Ra Chang-Ho
Radford Kenneth Charles
Rajput Raj K.
Rakhimov Roustam Khakimovich
Ramberg Jeffery R.
Ramberg Jeffrey R.
Ramey Roy R.
Rancoule Gilbert
Rave Ortwin
Readey Michael J.
Rechner John
Refel S.p.A.
Refractory Intellectual Property GmbH & Co.
Refractory Specialties, Incorporated
Refratechnik Holding GmbH
Refratechnik Holdings GmbH
Rehspringer Jean L.
Rehspringer Jean-Luc
Reich Christian
Reid Gregor Joseph