Patents by Inventor Juel L. VanDarwarka

Juel L. VanDarwarka 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: 4316575
    Abstract: An indicator for attachment to a mailbox for actuation upon mailbox door opening. A flag asembly is mounted on an elevated base of the indicator and includes a flag spring urged to the raised position. The flag is hingedly attached to a rotatable carrier plate permitting optimum flag visibility to the home owner. A flag release assembly includes an arm having one end in the mailbox door path with flag release occurring upon lifting of the arm which disengages the flag from a magnetic latch. The base and carrier plate have concentric openings through which flag release member extends to permit carrier plate rotation during flag positioning.
    Type: Grant
    Filed: June 10, 1980
    Date of Patent: February 23, 1982
    Inventor: Juel L. VanDarwarka