Rothele Horst
Rothen Johann
Rothering Lawrence P.
Rothhaar Stefan
Rouillard Jean M. R.
Rowe Alexander William
Rowold Karl-Joachim
Roxon Oy
Rozycki Marek L.
Rub Winfried
Rubery Owen (Hydraulics) Limited
Rubinstein Jack
Rudolf Hubner GmbH & Co.
Ruffley Douglas W.
Ruhmer Heinz
Rumrill, Jr. Edwin W.
Rumsey Rollin Douglas
Runkle Dean
Runyan James F.
Russin Leonid P.