Patents by Inventor Dwight D. Zobel

Dwight D. Zobel 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).

  • Self-locking, unlocking detachable hand lever cam sealed container
    Patent number: 4351449
    Abstract: A special lock-unlock device for use with sealable, releasable and resealable containers such as paint cans which allows for opening and closing without use of impact forces. This is accomplished by a dual acting cam lug which operates with an associated cam surface adjoining the container cover to cause exertion of pressure to open and unseal the container when the bail is pivoted in one direction and conversely, to close and seal the container when the bail is pivoted in an opposite direction.
    Type: Grant
    Filed: May 22, 1981
    Date of Patent: September 28, 1982
    Inventor: Dwight D. Zobel