Patents by Inventor Charles Barbera

Charles Barbera 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 grill or the like
    Patent number: D248395
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: July 4, 1978
    Inventor: Charles Barbera
  • Speaker grill or the like
    Patent number: D250018
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: October 24, 1978
    Inventor: Charles Barbera
  • Speaker grill or the like
    Patent number: D250021
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: October 24, 1978
    Inventor: Charles Barbera
  • Loudspeaker enclosure
    Patent number: D259877
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: July 14, 1981
    Inventor: Charles Barbera
  • Loudspeaker enclosure
    Patent number: D260638
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: September 8, 1981
    Inventor: Charles Barbera