Patents by Inventor Guy Oscar Le Grelle

Guy Oscar Le Grelle 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).

  • Electronic experimenting kit
    Patent number: 4110917
    Abstract: In an electronic experimenting kit an insulating base is provided on the one surface thereof with two rims and between said rims with grooves inside which are mounted conductors. Electronic components are each mounted on a plate with the terminals thereof connected to conductors mounted on said plate. The rims are provided with grooves into which the plates are slid by the ends thereof. The plates are retained in position by springs which also provide the electrical connection between a base-mounted conductor and a plate-mounted conductor.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: September 5, 1978
    Assignee: Xaverius College
    Inventor: Guy Oscar Le Grelle