Inventor: van der Velden, Sjef
Inventor: van der Velden, Sjef
Inventor: Atchison, James K
Inventor: Doyle, James, Ferguson, Louise
Inventor: Anderson, Eric T., Pittman, Peter
Inventor: Bottoms, Ellsworth D.
Inventor: Bottoms, Ellsworth D., Bottoms, Luseane
Inventor: Stribling, Sally L.
Inventor: Plattner, Anton
Inventor: Atchison, James Kyle
Inventor: Meewisse, Franciscus J. M.
Inventor: Bottoms, Ellsworth D., Bottoms, Luseane
Inventor: Bottoms, Ellsworth D., Bottoms, Luseane M.
Inventor: Gorvel, Ernest A.
Inventor: Albert Aspeslagh, August van Speybrouck
Inventor: Vosters, James B.