Romenets Vladimir Andreyevich
Ronald F. Davis
Ronald L. W. Holmes
Rose Robert N.
Rosling Denys R.
Rotablock Limited
Rothfuss Hans
Rothrock Russell W.
Roudabush Henry L.
Rowell Richard H.
Rowley George
Rubenzucker Franz
Rubisch Ottmar
Rueegg Hans
Runkana Venkataramana
Ruoff Werner H.
Russell M. Wiseman
Russell P. Heuer
Russell Pearce Heuer
Rust Furnace Company