Patents by Inventor Howard M. Berke

Howard M. Berke 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).

  • Siren with remote driver
    Patent number: 4710749
    Abstract: An electronic siren includes a driver unit and a speaker unit which are interconnected by a flexible sound pipe. The sound pipe is acoustically coupled to the driver unit and speaker unit by adaptors which provide a substantially smooth transistion from a driver unit to sound pipe and from sound pipe to speaker whereby attenuation is minimized.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: December 1, 1987
    Assignee: Whelen Engineering Co., Inc.
    Inventors: Howard M. Berke, Harold W. Lyons