Patents by Inventor Glen Sigafoose

Glen Sigafoose has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 3963554
    Abstract: A model airplane including a profile fuselage of flat balsa wood and including a balsa wood tail assembly and wing. Convex outwardly fuselage half sections of sheet-like plastic material are secured to the profile fuselage by cement being placed along the top and bottom longitudinal edges of the profile fuselage for securing the longitudinal edges of the fuselage half sections. The profile fuselage includes a cutout adjacent the wing in which a bellcrank is positioned connected to a pushrod extending rearwardly along the profile fuselage and through an opening formed in the profile fuselage. The rear end of the pushrod extends through an opening in the fuselage half section and is connected to the elevator. Leadout control lines extend from the bellcrank along the wing through the fuselage half section.
    Type: Grant
    Filed: December 23, 1971
    Date of Patent: June 15, 1976
    Inventor: Glen Sigafoose