Patents by Inventor Darrell W. Markijohn

Darrell W. Markijohn 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: 3978971
    Abstract: A bulb accumulator for electric lamp bulbs is disclosed wherein the bulbs are supported, in transit, by moving belts and a fixed member or, when accumulated, by the fixed member and the bulb ahead.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: September 7, 1976
    Assignee: General Electric Company
    Inventors: Jonathan M. Conrow, Myron Radzykewycz, Darrell W. Markijohn