Patents by Inventor Leslie L. Cahan

Leslie L. Cahan 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).

  • Key blanking apparatus
    Patent number: 5720211
    Abstract: Apparatus is provided for producing from existing keys a set of blanked keys each having a reduced equivalent size head. A carrying case permits ready concealment of the blanked keys on the person.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: February 24, 1998
    Inventor: Leslie L. Cahan