Patents by Inventor Vasil Bilak

Vasil Bilak 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).

  • Plug
    Patent number: 4672993
    Abstract: A plug for closing an opening in a container also allows connection of a pipe to the container without removal of the plug, thereby substantially reducing the risk of leakage of fluid from the container.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: June 16, 1987
    Assignee: General Motors Corporation
    Inventor: Vasil Bilak