Patents by Inventor Michael J. Savko

Michael J. Savko 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: 4390122
    Abstract: An automatic signal attachment for a mailbox which automatically raises a signal flag to indicate that the mailbox door has been opened. The attachment comprises a lever and pivot assembly for the existing signal flag and a trigger clip and spring assembly to activate the signal flag to a vertical position. The attachment can be used on any standard mailbox now in use.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: June 28, 1983
    Inventor: Michael J. Savko