Patents by Inventor Joel Leavitt

Joel Leavitt 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).

  • Patent number: 4688020
    Abstract: A reconfigurable keyboard (10) includes a base (12) and a keyboard surface (14). The keyboard surface (14) has a plurality of keys (48) disposed thereon. Each of the keys (48) is associated with a key switch (34). An overlay (50) covers the key switches (34) that are not connected to keys (48). In this manner, only select ones of the key switches (34) are accessible. A CPU (78) controls the operation of the keyboard (10) and has stored therein key tables which define the function of each of the accessible keys (48) on the keyboard panel (14). A display (16) is provided for displaying messages which are also stored.
    Type: Grant
    Filed: May 14, 1984
    Date of Patent: August 18, 1987
    Assignee: United States Data Corporation
    Inventors: Gary Kuehneman, Joel Leavitt