Patents by Inventor Ruth Radcliff

Ruth Radcliff 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).

  • Door latch holder
    Patent number: 5004279
    Abstract: The present invention relates to an improved door latch holder designed to be mounted on the two knobs of a door and having a central portion designed to overlie a door latch. In the position described above, the door latch will be retracted into the door so that the door may be opened and closed without twisting one of the knobs thereof.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: April 2, 1991
    Inventor: Ruth Radcliff