Inventor: Head, William A., Head, Robert H.
Inventor: Van Opstal, Ron
Inventor: Bolwijn, A. L. Ch.
Inventor: Bauer, deceased, Rudolf, Bauer, heir, by Annelise
Inventor: Zebehazy, Alex J.
Inventor: Zebehazy, Alex J.
Inventor: Zebehazy, Alex J.
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer