Patents by Inventor Leo F. Stumbaugh

Leo F. Stumbaugh 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: 4373736
    Abstract: A two wheel roller skate including a shoe having a sole, a front wheel carried on a front axle and a rear wheel carried on a rear axle. The skate includes a pair of axle forks each of the axle forks having opposed side portions which receive the axle, and a transverse portion which interconnects the side portion at one end of the axle forks. Each axle fork side portion includes a generally inclined portion engageable with the shoe sole and a generally horizontal portion connected to the transverse portion. The sole includes opposed side slots which receive the unconnected ends of the side portions and a fastener attaches the transverse portion of the axle forks to the sole, the axle fork side portions and the transverse portion fastener providing a three-point connected to the roller skate. The axle forks can be readily connected and disconnected from the shoe sole for replacement of the wheels with wheels having a rounded bearing surface.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: February 15, 1983
    Inventor: Leo F. Stumbaugh