Patents by Inventor Allan E. Barker

Allan E. Barker 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).

  • Snap-on indicator cap
    Patent number: 5803283
    Abstract: A closure for a container, including means for counting and indicating the number of times the closure has undergone a cycle of closing and opening the container, and further including means for incorporating the closure into means for resisting the opening of the container by a child.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: September 8, 1998
    Assignee: Senetics, Inc.
    Inventors: Allan E. Barker, Gage Garby
  • Flush mounted indicator device
    Patent number: 5765706
    Abstract: A closure a container, including capability for counting and indicating the number of times the closure has undergone a cycle of closing and opening the container, and further for incorporating the closure into a device for for resisting the opening of the container by a child.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: June 16, 1998
    Assignee: Senetics, Inc.
    Inventors: Allan E. Barker, Gage Garby