Inventor: de Ruyver, Kurt
Inventor: Talmadge, Paul A.
Inventor: Van Der Knaap, Henricus G. J.
Inventor: Van Der Knaap, Henricus G. J.
Inventor: Ibes, Wim J. M.
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Wingerden, John Van
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Wingerden, John Van
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Van Wingerden, John
Inventor: Hartley, Richard R., Hartley, Kathleen R.
Inventor: Olaf Soenderhousen
Inventor: Herbert C. Swim, O. L. Weeks
Inventor: David L. Armstrong
Inventor: David L. Armstrong