Patents by Inventor Keith A. Addleman

Keith A. Addleman 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).

  • Swing throw-over barrier
    Patent number: 5147247
    Abstract: A barrier assembly for swings or similar recreational or exercise equipment is mounted by means of a split-clamp bracket on the top crossbeam extending vertically outward from the beam to prevent the throwing over of swings which would result in a winding up of a flexible suspension strand such as a chain around the crossbeam.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: September 15, 1992
    Assignee: Quality Industries, Inc.
    Inventor: Keith A. Addleman
  • Double sand trough playground equipment
    Patent number: D436392
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: January 16, 2001
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Receptacle enclosure
    Patent number: D440368
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: April 10, 2001
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Wagon playground climber and slide
    Patent number: D281892
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: December 24, 1985
    Assignee: Quality Industries, Inc.
    Inventor: Keith A. Addleman
  • Tractor playground climber
    Patent number: D281893
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: December 24, 1985
    Assignee: Quality Industries, Inc.
    Inventor: Keith A. Addleman
  • Silo playground climber and slide
    Patent number: D284021
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: May 27, 1986
    Assignee: Quality Industries, Inc.
    Inventor: Keith A. Addleman
  • Picnic table
    Patent number: D426963
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: June 27, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Slide
    Patent number: D428959
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: August 1, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Alligator spring seat
    Patent number: D428960
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: August 1, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Slide
    Patent number: D429306
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: August 8, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • School bus spring ride
    Patent number: D430256
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: August 29, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Caterpillar spring ride
    Patent number: D431066
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: September 19, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Submerged dragon climber
    Patent number: D433477
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: November 7, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Sand box
    Patent number: D434099
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: November 21, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman
  • Giraffe shaped bench
    Patent number: D434236
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: November 28, 2000
    Assignee: The Shane Group, Inc.
    Inventor: Keith A. Addleman