Patents by Inventor Lee W. Almasy

Lee W. Almasy 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).

  • Hydrodynamically pressure regulated loudspeaker systems
    Patent number: 5073937
    Abstract: The invention is a low frequency ported loudspeaker system comprising a hollow rectangular enclosure, the enclosure having a woofer driver airtight mounted to an aperature of the enclosure, changes in air pressure of the invention's enclosure's interior air mass are reduced by the coaction of a liquid mass contained within an open-ended manometer type structure, inlet of open-ended manometer type structure being attached to the enclosure and is in pressure conveyance with the invention's interior air mass.
    Type: Grant
    Filed: April 11, 1990
    Date of Patent: December 17, 1991
    Inventor: Lee W. Almasy