Patents by Inventor Andrew K. Wadams

Andrew K. Wadams 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).

  • Document holder
    Patent number: D294713
    Type: Grant
    Filed: February 12, 1985
    Date of Patent: March 15, 1988
    Assignee: Kalamazoo plc
    Inventor: Andrew K. Wadams
  • Posting tray
    Patent number: D317465
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: June 11, 1991
    Assignee: Kalamazoo plc
    Inventor: Andrew K. Wadams
  • File organizer
    Patent number: D336927
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: June 29, 1993
    Assignee: Kalamazoo PLC
    Inventors: Philip M. H. Samuels, Andrew K. Wadams