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: Madsen, Christian Hald
Inventor: McCracken, Thomas P.
Inventor: Bauer, deceased, Rudolf, Bauer, heir, by Annelise
Inventor: Danegger, Emil R.
Inventor: Brans, Theodore
Inventor: Bartlett, Larry M.