Patents by Inventor Lem A. Madden

Lem A. Madden 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: 4331347
    Abstract: A coupling apparatus for allowing one person to releasably connect a first object to a second object, which second object has a first engageable portion, a second engageable portion and a third engageable portion, is disclosed. The coupling apparatus includes a first connector mechanism associated with the first object for releasably engaging the first engageable portion of the second object. The coupling apparatus further includes a second connector mechanism associated with the first object for releasably engaging the second engageable portion of the second object. The coupling apparatus further includes a third connector means associated with the first object for releasably engaging the third engageable portion of the second object. Also included in the coupling apparatus is a support member, such as a frame, for interconnecting the first, second and third connector mechanisms.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: May 25, 1982
    Inventor: Lem A. Madden
  • Patent number: 4304193
    Abstract: Electronic transmitter means are used for generating and emitting a control signal which is detected by an animal-handling mechanism associated with the animal for physically manipulating the animal to control its movement. The animal-handling mechanism includes motors for controlling the tensioning of reins connected to the head of the animal. A control signal can also be transmitted to activate a bat mechanism for striking the animal to urge it forward.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: December 8, 1981
    Inventor: Lem A. Madden