Patents by Inventor F. Carlos DeWitt

F. Carlos DeWitt 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).

  • Posse box report clip board
    Patent number: 3977744
    Abstract: A combination two-compartment clip board for containing report forms and reports and providing a writing surface for preparing reports is disclosed.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: August 31, 1976
    Inventor: F. Carlos DeWitt
  • Handcuff key
    Patent number: D259239
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: May 19, 1981
    Inventor: F. Carlos DeWitt
  • Aviation lap board
    Patent number: D317788
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: June 25, 1991
    Assignee: Romana Acosta
    Inventor: F. Carlos DeWitt