Inventor: de Ruiter, Hendrik Marinus
Inventor: Smith, Donald Robert
Inventor: Smith, Donald Robert
Inventor: Smith, Donald Robert
Inventor: van Delft, M. Peter
Inventor: James W. Hines, Jr.
Inventor: William A. Warriner
Inventor: William A. Warriner
Inventor: William A. Warriner
Inventor: J. Benjamin Williams
Inventor: Conrad Andrew Skimina
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: William E. Silva
Inventor: Francis C. Tomlinson
Inventor: Gregory, Emily Bctts
Inventor: Varden, Owen H.