Patents by Inventor Franz X. Leonhart

Franz X. Leonhart 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).

  • Combined lawn chair and table recliner
    Patent number: 4392685
    Abstract: An adjustable lawn armchair is connected to one end of a pair of longitudinally extending spaced side members, and a footrest portion is connected to the other end thereof. Articulated pairs of supporting legs connect the footrest portion adjustably to spaced grooves in the pair of side members, whereby the footrest portion can be adjusted in its height and inclination to form a raised table in front of the armchair and can be lowered and shifted in the longitudinal direction together with adjustment of the seat and back of the armchair to form a recliner.
    Type: Grant
    Filed: January 23, 1981
    Date of Patent: July 12, 1983
    Inventor: Franz X. Leonhart
  • Coin release device for coin operated games
    Patent number: 4105104
    Abstract: A longitudinally movable normally outwardly biased release rod is provided with a lateral projection having a coin receiving slot therein. A pivoted locking pawl is connected adjacent the release rod and normally engages the same to prevent inward movement.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: August 8, 1978
    Inventor: Franz X. Leonhart