Patents by Inventor Peter N. Lathrop

Peter N. Lathrop 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).

  • Method and apparatus for inserting a spiral binder
    Patent number: 6942441
    Abstract: Sheets of paper are commonly held together with a spiral coil, which coil is inserted by a machine with at least one rotating spindle thereon. The spindle receives a spiral binder in a male to female relationship. As the spindle rotates the spiral binder, the spiral binder feeds into a stack of sheets having the appropriate apertures to receive the spindle and bind the pages together.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: September 13, 2005
    Inventor: Peter N. Lathrop