Patents by Inventor Francis Greif

Francis Greif 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: 4064643
    Abstract: The invention concerns indexes of the type which are intended to be placed under a domestic telephone to provide a library of telephone numbers with easy access. The index has an outer housing with a slideable drawer which carries a stack of cards carrying the information, such as names, addresses and telephone numbers. The tray has a series of manual selection members, which are each engageable with a perforated tab on an associated card of the stack, irrespective of the position on the stack of that card. The selection members comprise bell cranks and magnetic means hold all cards other than that selected within the housing.
    Type: Grant
    Filed: March 30, 1976
    Date of Patent: December 27, 1977
    Inventor: Francis Greif
  • Patent number: D249047
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: August 22, 1978
    Inventor: Francis Greif