Patents by Inventor Roy M. Johnson

Roy M. Johnson 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: 5418518
    Abstract: An animal warning device for alerting, and in turn warning, various animals, such as deer, through one or more tones audible to animals, that a vehicle, to which the device may be attached, is approaching. A housing member, which supports a speaker, is adjustably attachable to a vehicle. The housing member includes a dispersing region operatively associated with the housing member for dispersing the one or more tones broadcasted out of the speaker in a radiated, spray-like pattern.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: May 23, 1995
    Assignee: Cobbs Manufacturing Company
    Inventors: John Schenken, Charles A. Haas, Jerome Hartmann, Roy M. Johnson, C. Austin Greider, Alvadore J. Osborn
  • Patent number: D353117
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: December 6, 1994
    Assignee: Cobbs Manufacturing Co.
    Inventors: John Schenken, Charles A. Haas, Jerome Hartmann, Roy M. Johnson