Patents by Inventor John F. Foffel

John F. Foffel 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: 4406647
    Abstract: An envelope insert for a magazine has a uniform double thickness of sheet material throughout so that a plurality of envelope inserts can be stacked evenly for automatic insertion into magazines. The envelope insert is comprised of substantially coextensive first and second sheets which have superposed edges. The first sheet has a perforation line which is spaced from the end of the first sheet, and the second sheet has a perforation line which is located between the end of the sheet and the perforation line of the first sheet to provide a flap portion on the first sheet between the perforation line of the first sheet and the perforation line of the second sheet. The flap portion is provided with adhesive so that it can be folded over the second sheet and secured thereto after the sheets are torn along the perforation lines.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: September 27, 1983
    Assignee: Berlin Industries
    Inventor: John F. Foffel
  • Patent number: 4313557
    Abstract: An envelope insert for a magazine has a uniform double thickness of sheet material throughout so that a plurality of envelope inserts can be stacked evenly for automatic insertion into magazines. The envelope insert is comprised of substantially coextensive first and second sheets which have superposed edges. The first sheet has a perforation line which is spaced from the end of the first sheet, and the second sheet has a perforation line which is located between the end of the sheet and the perforation line of the first sheet to provide a flap portion on the first sheet between the perforation line of the first sheet and the perforation line of the second sheet. The flap portion is provided with adhesive so that it can be folded over the second sheet and secured thereto after the sheets are torn along the perforation lines.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: February 2, 1982
    Assignee: Berlin Industries, Inc.
    Inventor: John F. Foffel