Patents by Inventor David B. Pitzer

David B. Pitzer 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).

  • Drinking mug
    Patent number: D300195
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: March 14, 1989
    Inventors: David B. Pitzer, R. Knox Pitzer
  • Drinking goblet
    Patent number: D301531
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: June 13, 1989
    Inventor: David B. Pitzer