Patents by Inventor Leonidas Jaras

Leonidas Jaras 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).

  • Sliding door locking device
    Patent number: 3998484
    Abstract: The invention provides a locking device for railway freight car doors including a wedge-shaped locking pin engageable with the hasp for maintaining the door tightly closed, the wedge being so mounted that it need not be withdrawn from locking position to permit release of the lock.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: December 21, 1976
    Assignee: Evans Products Company
    Inventors: Norbert S. Wolak, Leonidas Jaras, Thomas J, Wolak