Patents by Inventor Robert C. Lavacot

Robert C. Lavacot 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).

  • Speaker diaphragm
    Patent number: 5920040
    Abstract: A diaphragm for a speaker which is adapted, to vibrate, the improvement wherein the preformed diaphragm is treated with a solution containing a polymer which readily dries at about room temperature to leave the polymer adhered to the diaphragm.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: July 6, 1999
    Assignee: Kenneth R. Lavacot
    Inventor: Robert C. Lavacot