Patents by Inventor Jeffrey David Tse

Jeffrey David Tse 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).

  • Overhead light bulb changer with safety catch canopy
    Patent number: 6553872
    Abstract: This is a device for screwing in and out light bulbs located at elevated positions from floor level comprising a pole or telescoping tubes which interconnect, having at one end a suction attachment or clamping attachment to affix to the electrical lamp and thereby screw it in or out, with a canopy set on the pole or telescoping tube which can catch the light bulb in the event the suction or clamping attachment releases the light bulb.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: April 29, 2003
    Inventors: David T. Tse, Jeffrey David Tse