Patents by Inventor Valeri Zykov

Valeri Zykov 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).

  • Multi-year calendar device
    Patent number: 5657561
    Abstract: A multi-year calendar device which comprises a casing having a first window and a second window therethrough. A mechanism is for manually turning a continuous belt in the casing. A person operating the manually turning mechanism can align one year date on the continuous belt in the first window to one month name on the casing and then view the numerical month dates for that particular month of that particular year through the second window in the casing.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: August 19, 1997
    Inventor: Valeri Zykov