Patents by Inventor Lambert D. Berry

Lambert D. Berry 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).

  • Ventilator for a water closet
    Patent number: D245620
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: August 30, 1977
    Inventor: Lambert D. Berry
  • Ventilator for a water closet
    Patent number: D245621
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: August 30, 1977
    Inventor: Lambert D. Berry
  • Toilet exhauster
    Patent number: D254089
    Type: Grant
    Filed: June 15, 1977
    Date of Patent: January 29, 1980
    Inventor: Lambert D. Berry