Patents by Inventor Rudolf P. Arndt

Rudolf P. Arndt 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).

  • Traffic control trailer system
    Patent number: 4992788
    Abstract: A portable traffic control system for control of traffic at temporary locations includes a trailer having a base supported by an axle and wheels, two signal supports connected to the base and an actuating mechanism for selectively urging the signal supports from a transporting position to an operating position and back. A transverse arm connected to one signal support is extendable laterally and outwardly from the trailer. A signal head is attached to the transverse arm and a second signal head is attached to the upper end of the second signal support.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: February 12, 1991
    Assignee: International Traffic Systems, Inc.
    Inventor: Rudolf P. Arndt