Patents by Inventor Gerald B. Ritchie

Gerald B. Ritchie 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).

  • Repair plate
    Patent number: 5088150
    Abstract: A repair plate used in combination with a power nozzle for a vacuum cleaner, typically stamped from metal stock, and serving to repair the power nozzle for reuse purposes. The repair plate may assume the outer configuration of the upper surface of the power nozzle and may be positioned in an operative position by the use of a pop rivet. An air impervious solvent may also be employed to preclude air leakage. The invention solves a long needed problem common to vacuum cleaner repairmen.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: February 18, 1992
    Inventor: Gerald B. Ritchie