Inventor: Scheffers, Robertus
Inventor: Scheffers, Robertus
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: van Delft, M. Peter
Inventor: James W. Hines, Jr.
Inventor: Conrad Andrew Skimina
Inventor: Johnn Lee Thompson
Inventor: William Flemer, III
Inventor: William E. Silva
Inventor: William Flemer, III
Inventor: Francis C. Tomlinson
Inventor: Albert J. Porter
Inventor: Richard Wellington
Inventor: Gregory, Emily Bctts
Inventor: Reed, George M.
Inventor: Varden, Owen H.
Inventor: Boer, Arie F. den
Inventor: Etter, Albert F.
Inventor: Etter, Albert F.
Inventor: Hansen, Carl A.