Patents by Inventor Alan D. Fredericks

Alan D. Fredericks 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).

  • Multiple breakpoint resealable ampoule
    Patent number: 4266681
    Abstract: A multiple breakpoint and sealpoint ampoule capable of being successively broken and resealed.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: May 12, 1981
    Assignee: Oceanography International Corporation
    Inventor: Alan D. Fredericks