Patents by Inventor Major D. Glendening

Major D. Glendening 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).

  • Paper perforating assembly
    Patent number: 5029506
    Abstract: A paper perforating assembly which is designed for use in micro-perforating. The assembly includes a micro-perf cutter blade which is attached to a rotatable shaft of a perforating machine. The assembly also includes a cutting ring assembly attached to a second rotatable shaft of the machine. The cutting ring is preferably backed by a soft biasing member carried in a channel of the ring assembly and allows the ring to float which compensates for concentricity problems during perforating.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: July 9, 1991
    Assignee: F. P. Rosback Company
    Inventor: Major D. Glendening
  • Adhesive binder
    Patent number: 4373985
    Abstract: An adhesive binding machine which is for gluing the covers to the collated pages of the books and which includes a cutter for trimming the edges of the pages, a glue pot for applying glue to the cut edges, a nipper for pressing a cover to the glued edges of the pages and pinching it around the pages.
    Type: Grant
    Filed: April 1, 1981
    Date of Patent: February 15, 1983
    Assignee: F. P. Rosback Company
    Inventor: Major D. Glendening