Patents by Inventor Leonid Khaychenko

Leonid Khaychenko 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: D746489
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: December 29, 2015
    Assignee: Onduline SA
    Inventor: Leonid Khaychenko
  • Patent number: D748290
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: January 26, 2016
    Assignee: Onduline SA
    Inventor: Leonid Khaychenko
  • Patent number: D809677
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: February 6, 2018
    Assignee: Onduline
    Inventor: Leonid Khaychenko