Patents by Inventor Chester A. Pieszchala

Chester A. Pieszchala 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).

  • Signal device for use in conjunction with a mailbox, newspaper tube, lock box or similar device
    Patent number: 3958752
    Abstract: A flag type signal device which can be mounted to a mailbox, newspaper tube, lock box or similar device and which includes an actuator cord which when the mailbox is opened, newspaper tube utilized or lock box opened, releases a flag indicator to permit the indicator to shift into a signalling position.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: May 25, 1976
    Inventor: Chester A. Pieszchala