Patents by Inventor Joseph E. Latta, Jr.

Joseph E. Latta, Jr. 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).

  • School bus stop sign and crossing arm apparatus
    Patent number: 4559518
    Abstract: An electrically-powered school bus sign and crossing arm apparatus mounts on the school bus body. A uni-directional DC motor and associated linkage and limit switch controls are used to deploy and retract the stop sign blade and crossing arm.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: December 17, 1985
    Assignee: Specialty Manufacturing Co.
    Inventor: Joseph E. Latta, Jr.
  • School bus stop sign
    Patent number: 4339744
    Abstract: An electrically powered school bus signapparatus mounts on the school bus body. A unidirectional DC motor and associated linkage and limit switch controls are used to deploy and retract the stop sign blade.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: July 13, 1982
    Inventor: Joseph E. Latta, Jr.
  • School bus stop sign
    Patent number: 4138668
    Abstract: An electrically-powered school bus stop sign apparatus mounts either partially recessed within the exterior panel of the body of the school bus adjacent the driver or, alternatively, on the exterior panel. A DC motor and associated arm/linkage mechanical means is used to deploy and retract the stop sign blade with the controls being operated by the driver from within the bus.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: February 6, 1979
    Assignee: said Joseph E. Latta, Jr.
    Inventors: Joseph E. Latta, Jr., Virgil M. Stafford