Patents by Inventor Oleg D. Tkachenko

Oleg D. Tkachenko 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).

  • All-purpose row-crop wheel tractor
    Patent number: D274524
    Type: Grant
    Filed: May 7, 1981
    Date of Patent: July 3, 1984
    Inventors: Stepan E. Koval, Oleg D. Tkachenko, Vladimir V. Baranov, Alexandr I. Kedik, Valentin A. Artemenko, Vladimir K. Drozdov