Patents by Inventor John R. Herron, Jr.

John R. Herron, Jr. 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).

  • Patent number: 4417294
    Abstract: A capacitive keyswitch comprising a first circuit support, an electrically insulating spacer, a dielectric structure, a second circuit support and an actuating assembly for actuating the keyswitch; the first circuit support is flexible and carries thereupon a first conductive circuit, the first conductive circuit includes a first conductive land; the second circuit support carries thereupon a second conductive circuit, the second conductive circuit including a second conductive land; the spacer has an aperture therethrough; the first conductive land, the second conductive land, and the aperture are substantially in register with the first conductive land and the second conductive land being in facing relation with respect to each other; the dielectric structure is interposed between the first and second conductive lands; the actuating assembly comprises a plunger and a pad; the pad is interposed between the plunger and the first circuit support whereby application of a force urging the plunger toward the firs
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: November 22, 1983
    Assignee: Illinois Tool Works Inc.
    Inventor: John R. Herron, Jr.