Patents by Inventor Daniel G. Kindel

Daniel G. Kindel 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: 5559508
    Abstract: An emergency vehicle contains a transmitter for generating and transmitting a pair of fixed continuous wave signals which are distinguishable from each other in a preselected frequency band. A passenger vehicle contains a receiver which detects and distinguishes the pair of signals and generates an alert if the signals are determined to be at predetermined frequencies.
    Type: Grant
    Filed: August 10, 1994
    Date of Patent: September 24, 1996
    Assignee: Cincinnati Microwave, Inc.
    Inventors: Steven K. Orr, Daniel G. Kindel