Inventor: Brandsma, Christine
Inventor: Willems, Rogier
Inventor: Willems, Rogier
Inventor: Willems, Rogier
Inventor: van der Hoorn, Antonius C. J.
Inventor: LeBoutillier, Roberts
Inventor: Olaf Soenderhousen
Inventor: Herbert C. Swim, O. L. Weeks
Inventor: David L. Armstrong
Inventor: David L. Armstrong
Inventor: John W. Patterson
Inventor: Marie Louise Meilland
Inventor: John W. Patterson
Inventor: Herbert C. Swim, O. L. Weeks
Inventor: Marie Louise Meilland
Inventor: Walter E. Lammerts
Inventor: Fritz A. Henderickx
Inventor: Richard M. Wyman, Jr.
Inventor: Hess, Cornelius W. M.
Inventor: Henderickx, Fritz A.