Patents by Inventor Robert R. Vanni

Robert R. Vanni 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: 5304090
    Abstract: A catapultable or rocket propelled toy helicopter (100,200) are provided that have foldable rotor blades (16 and 16') and a forwardly inclined rotor shaft surface (8) against which a rotor shaft (9) rests during flight that in combination with a balancing weight (28) enhance the spreading of rotor blades (16 and 16') at the apex of flight and the pitch and forward movement of the helicopter during flight thereafter.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: April 19, 1994
    Inventor: Robert R. Vanni
  • Patent number: 5253150
    Abstract: A warning light (100) is provided that includes a base member (4) having at least one electroluminescent panel (14) mounted thereon that is enclosed by an upper housing (2) secured to base member (4) and of which at least a portion comprises a lens member preferably in the form of at least one panel section (8) that includes fluorescent material operative to fluoresce upon exposure to light incident thereupon emitted by electroluminescent panel (14). Warning light (100) is preferably powered by a rechargeable battery (20) that is charged by at least one solar cell (28) mounted on upper housing (2) in a manner operative to enable solar energy to be incident thereupon.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: October 12, 1993
    Inventor: Robert R. Vanni
  • Patent number: 5018896
    Abstract: Provided is a snap ring assembly (100) for use in holding papers together such as in a two or three-ring looseleaf notebook or binder. Assembly (100) is preferably a one-piece molded construction including an elongate base portion (30) extending between sidewalls including respective proximate sections (32, 32') extending transversly therefrom and distal sections (34, 34') that are separated by respective hinge sections (38, 38') and respective free-ends that are configured to matingly engage to cause ring sections (38, 38') to snap together to provide a closed connection when distal sections (34, 34') are pivoted for a predetermined distance toward each other.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: May 28, 1991
    Inventor: Robert R. Vanni