Patents by Inventor George Bartolf

George Bartolf 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).

  • Electrical connector apparatus
    Patent number: 4475782
    Abstract: A plug-board type apparatus permits the interconnection of electrical conductors and components having conductive leads as an aid in the instruction of students in electricity and electronics. A panel of insulating material has a plurality of openings to receive the leads. A plurality of cavities are positioned opposite the openings, each of the cavities being accessible to leads through a different set of the openings. A pair of coiled contact springs are positioned in each cavity to receive and hold therebetween electrical leads which are inserted through the openings.
    Type: Grant
    Filed: January 7, 1982
    Date of Patent: October 9, 1984
    Assignee: Buck Engineering Co., Inc.
    Inventor: George Bartolf