Patents by Inventor Irwin Berg

Irwin Berg 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).

  • Percussion case
    Patent number: D549955
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: September 4, 2007
    Inventors: Michael Berg, Irwin Berg
  • Percussion case
    Patent number: D555894
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: November 27, 2007
    Inventors: Michael Berg, Irwin Berg
  • Percussion case
    Patent number: D561990
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: February 19, 2008
    Inventors: Michael Berg, Irwin Berg
  • Percussion case
    Patent number: D570596
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: June 10, 2008
    Inventors: Michael Berg, Irwin Berg