Patents by Inventor Donald L. Denning

Donald L. Denning 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).

  • Patent number: 5295419
    Abstract: A pry device adapted for removing a lid from a container comprises a first lever member, a second lever member and a fulcrum element interconnecting the first and second lever members for relative pivotal movement therebetween. The first lever member has a first handle portion and a first lip portion opposite the first handle portion. The first lip portion is configured to engage an edge portion of the lid when the lid is secured to the container. The second lever member has a second handle portion and a second lip portion opposite the second handle portion. The second lip portion is configured to engage a flange on the container. The first and second lip portions are movable between a contracted position and an expanded position. In the contracted position, the first and second lip portions are at a first distance sufficiently to respectfully engage the edge portion of the lid and the flange.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: March 22, 1994
    Inventor: Donald L. Denning