Patents by Inventor Daniel L. Stec

Daniel L. Stec 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).

  • Electrically actuated lock for a door or similar access means
    Patent number: 4232354
    Abstract: An electrically actuated lock for a door or similar access means in which a multiple number of data bits are introduced in a given sequential manner into a plurality of series-connected data transfer parts each operable one at a time and in a selected sequence to finally cause the actuation and withdrawal of the latching mechanism for the lock.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: November 4, 1980
    Inventors: Rand W. Mueller, Daniel L. Stec