Patents by Inventor George Kovacich

George Kovacich 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).

  • High or low voltage electrical resistance tester
    Patent number: 5266902
    Abstract: An electrical resistance and insulation tester providing a 12 volt D.C. and a 500 volt D.C. testing circuit. Indicating means are comprised of an incandescent bulb for the 12 volt D.C. test circuit and a neon bulb for the 500 volt D.C. test circuit. A 12 volt D.C. power input circuit and a 110 volt A.C. power input circuit provide for operation at either input. The tester also comprises a chargeable capacitor circuit that allows for testing when the instrument is not connected to any power input source.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: November 30, 1993
    Inventors: George Kovacich, George Kovacich