Inventor: Holtkamp, Jr., Reinhold
Inventor: Hoekstra-Arisz, Catharina Marie
Inventor: Quemard, Pascal
Inventor: Kolster, Peter Rudolf
Inventor: Arisz, Catharina M.
Inventor: van Leyssen, Hans
Inventor: Johnn Lee Thompson
Inventor: William Flemer, III
Inventor: William Flemer, III
Inventor: Albert J. Porter
Inventor: Richard Wellington
Inventor: Reed, George M.
Inventor: Boer, Arie F. den
Inventor: Etter, Albert F.
Inventor: Etter, Albert F.
Inventor: Hansen, Carl A.