Patents by Inventor Ralph D. Hight

Ralph D. Hight 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 resistance film resistor
    Patent number: 4498071
    Abstract: An electrical resistor and method of making the same is disclosed wherein a ceramic substrate is coated with a relatively rough dielectric film which is subsequently coated with a thin metal film such as nichrome.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: February 5, 1985
    Assignee: Dale Electronics, Inc.
    Inventors: Charles T. Plough, Jr., Ralph D. Hight