Patents by Inventor Herbert J. Nolen

Herbert J. Nolen 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).

  • Locking bar for doors from the inside of dwellings
    Patent number: 4330147
    Abstract: This locking bar device enables a person to further secure a door against intruders, when the user is inside of his or her dwelling, and it consists primarily of a pair of brackets installed on the door jambs, that have steel pins, which receive a horizontal bar. The device further includes a key-operated lock, and the structure is such, that it will withstand enormous pressure.
    Type: Grant
    Filed: August 6, 1980
    Date of Patent: May 18, 1982
    Inventor: Herbert J. Nolen