Patents by Inventor Edward T. Kalina

Edward T. Kalina 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 apparatus
    Patent number: 5656898
    Abstract: An apparatus for opening and closing a horizontally sliding door includes a chain driven assembly, a reversible motor for moving the chain and a sliding door driver which converts the chain motion to door movement. A remote control device can also be used to operate the sliding door remotely, especially if users are elderly or handicapped individuals.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: August 12, 1997
    Inventor: Edward T. Kalina