Patents by Inventor Joseph M. Mena

Joseph M. Mena 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).

  • Closure lock with inflatable bladder
    Patent number: 4073521
    Abstract: A closure which is releasably retained in closed position relative to a surrounding structure by inflation of a locking bladder, which preferably extends about the periphery of the closure and is partially received in opposed grooves in the closure and the surrounding structure respectively.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: February 14, 1978
    Inventor: Joseph M. Mena