Inventor: Madsen, Christian Hald
Inventor: Hoekert, Hendrick Cozijn
Inventor: Hoekert, Hendrick Cozijn
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Madsen, Christian Hald
Inventor: Hoekert, Hendrick Cozijn
Inventor: Hoekert, Hendrick Cozijn
Inventor: Hoekert, Hendrick Cozijn
Inventor: van Delft, M. Peter
Inventor: James W. Hines, Jr.
Inventor: Conrad Andrew Skimina
Inventor: William E. Silva
Inventor: Francis C. Tomlinson