Patents by Inventor John P. Shea, Jr.

John P. Shea, Jr. 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).

  • Mailbox deposit indicator system
    Patent number: 5239305
    Abstract: A system for indicating the deposit of mailing mailbox comprises a two channel transmitter positioned within a mailbox and a two channel receiver positioned within a household. The first channel of the system provides a means for indicating at the receiver the opening of the mailbox door (deposit of mail) and the second channel of the system provides a means for resetting the indication of a deposit of mail. The transmitter and receiver both have means for resetting the indication of a deposit of mail. The transmitter has a spring clip for attachment to the mailbox.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: August 24, 1993
    Assignee: Colleen M. Murphy
    Inventors: Colleen M. Murphy, John P. Shea, Jr.