Patents by Inventor Muriel Johnson

Muriel Johnson 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).

  • Flush mounted latch for a door
    Patent number: 6116662
    Abstract: A flush mounted latch for a door that includes a housing, a bolt, first apparatus, and second apparatus. The first apparatus includes a pinion gear that is operatively connected to the bolt, a pivot arm that is pivotally mounted at one end to, but off center of, the pinion gear and pivotally mounted at another end to the bolt which allows the bolt to retract when the pinion gear is rotated, a first rack that is operatively connected to the second apparatus and gearingly engages an edge of the pinon gear, and when caused to move inwardly by the second apparatus, rotates the pinion gear and retracts the bolt, a second rack that is operatively connected to the second apparatus and gearingly engages an opposite edge of the pinon gear, and when caused to move inwardly by the second apparatus, rotates the pinion gear and retracts the bolt.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: September 12, 2000
    Inventor: Muriel Johnson