Patents by Inventor John C. Dawson

John C. Dawson 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: 4257287
    Abstract: An opener apparatus for beverage cans having an opener tab provided on the top wall includes an elongated tool having a hook portion at the forward end and a handle portion at the rearward end. The hook portion extends forwardly from the handle portion a and then downwardly and rearwardly to define a channel adapted to receive the opener tab for lifting the tab and opening the can in response to lifting movement of the tool when a force is applied to the handle portion. A leg member may be extended downwardly from the tool and positioned for simultaneously depressing the scored section of the can top wall into the can and providing a fulcrum for lifting movement of the hook portion in response to downward movement of the handle portion.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: March 24, 1981
    Inventor: John C. Dawson