Inventor: Suphachadiwong, Thumrong
Inventor: Khemakongkanond, Kanchana
Inventor: Sanguthai, Surapon
Inventor: Grant, William R., Grant, Elizabeth M.
Inventor: Siebenthaler, John D.
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