Patents by Inventor David R. Finley

David R. Finley 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).

  • Control system for aerial work platform machine and method of controlling an aerial work platform machine
    Patent number: 4456093
    Abstract: An electronic control system allows control over the safe operation of an aerial work platform machine. The control system uses a firmware programmed digital processor to execute a sequence of steps to monitor and control the safe operation of the work platform machine so that tipping and damage are prevented. The control system has sensors to measure the condition of the work platform machine and has outputs allowing control over the work platform machine.
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: June 26, 1984
    Assignee: Interstate Electronics Corp.
    Inventors: David R. Finley, Laurence A. Beck