Ladder Patents (Class D25/64)
  • Patent number: 6450290
    Abstract: A lightweight, folding ladder having steps that fold together and lie flat within the frame, when the legs of the frame are collapsed into a fold-away position. The steps each have an edge recess that allows a person climbing the ladder to laterally draw closer to an object or supporting wall when the ladder is in a legs-expanded, open-frame, operative position.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: September 17, 2002
    Inventor: George E. Spak
  • Patent number: D442289
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: May 15, 2001
    Inventors: Theodore Ziaylek, Jr., Michael P. Ziaylek, Theodore P. Ziaylek
  • Patent number: D506858
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: June 28, 2005
    Assignee: Ballymore Company, Inc.
    Inventors: Gerald E. Kuehl, Ronald Bernard, William F. Frame
  • Patent number: D442699
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: May 22, 2001
    Inventor: Marvin E. Myer, III
  • Patent number: D447817
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: September 11, 2001
    Assignee: Cosco Management, Inc.
    Inventor: Michael Scot Rosko
  • Patent number: D512783
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: December 13, 2005
    Assignee: Intelligent Designs 2000 Corp.
    Inventor: Paul Badillo
  • Patent number: D449385
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: October 16, 2001
    Assignee: Cosco Management, Inc.
    Inventor: M. Scot Rosko
  • Patent number: D449895
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: October 30, 2001
    Inventor: Jean L. Wilson
  • Patent number: D523155
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: June 13, 2006
    Inventor: Donnie C. Shoultz
  • Patent number: D456525
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: April 30, 2002
    Inventors: Steven Lear, Margaret Lear, Terry Lear
  • Patent number: D524950
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: July 11, 2006
    Inventor: Anders Embretsen
  • Patent number: D525369
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: July 18, 2006
    Assignee: Groupe Atlantis Participation GAP
    Inventor: Jean Charles Houze
  • Patent number: D457650
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: May 21, 2002
    Inventor: Gary W. MacDuff
  • Patent number: D458385
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: June 4, 2002
    Assignee: Cosco Management, Inc.
    Inventor: M. Scot Rosko
  • Patent number: D461564
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: August 13, 2002
    Inventor: Marlo Donald Neuleib
  • Patent number: D461909
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: August 20, 2002
    Inventor: Raymond H. Rowland
  • Patent number: D465289
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: November 5, 2002
    Assignee: Cosco Management, Inc.
    Inventors: William R. Gibson, Enrique R. Giner
  • Patent number: D535757
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: January 23, 2007
    Inventor: William C. Davis
  • Patent number: D466225
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: November 26, 2002
    Assignee: Cosco Management, Inc.
    Inventor: M. Scot Rosko
  • Patent number: D467667
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: December 24, 2002
    Assignee: PT Indal Aluminum Industry TBK.
    Inventor: Prakasa Alim
  • Patent number: D539922
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: April 3, 2007
    Inventor: Daniel J. Donovan
  • Patent number: D541430
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: April 24, 2007
    Inventor: Anthony Restaino
  • Patent number: D541431
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: April 24, 2007
    Inventor: Daniel J. Donovan
  • Patent number: D548364
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: August 7, 2007
    Assignee: Tricam Industries, Inc.
    Inventors: Jeff Skubic, Jon Sommers, Kirby Howard
  • Patent number: D549838
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: August 28, 2007
    Assignee: Intelligent Designs 2000 Corp.
    Inventor: Paul Badillo
  • Patent number: D554771
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: November 6, 2007
    Assignee: Tricam Industries, Inc.
    Inventors: Jeff Skubic, Jon Sommers, Kirby Howard
  • Patent number: D479884
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: September 23, 2003
    Assignee: The Berryman 1996 Trust
    Inventor: Paul Berryman
  • Patent number: D576290
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: September 2, 2008
    Assignee: Cosco Management, Inc.
    Inventors: Thomas J. Meyers, Paul F. Meyers
  • Patent number: D577326
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: September 23, 2008
    Inventor: Cecil Arlin Vaughn
  • Patent number: D490163
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: May 18, 2004
    Inventor: Glenn Thurston
  • Patent number: D497007
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: October 5, 2004
    Inventors: Stanley E. Weber, Gaylon Mark Floyd
  • Patent number: D497588
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: October 26, 2004
    Inventor: Jung-Cheng Wu
  • Patent number: D498454
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: November 16, 2004
    Assignee: Garelick Mfg. Co.
    Inventors: Richard J. Garelick, Paul A. Pilosi
  • Patent number: D498542
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: November 16, 2004
    Inventor: Donald Brushaber
  • Patent number: D590068
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: April 7, 2009
    Assignee: Summit Treestands, LLC
    Inventor: Ronald R. Woller
  • Patent number: D499190
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: November 30, 2004
    Assignee: Garelick Mfg. Co.
    Inventors: Richard J. Garelick, Charles J. Hauck, Matthew J. Welsch
  • Patent number: D601719
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: October 6, 2009
    Inventor: Carl F. Gibson
  • Patent number: D606669
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: December 22, 2009
    Assignee: MGM Giorgi S.p.A.
    Inventors: Gianluca Giorgi, Maurilio Navoni
  • Patent number: D609365
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: February 2, 2010
    Inventor: Doug Smith
  • Patent number: D410550
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: June 1, 1999
    Assignee: R.M.M. Corp., Inc.
    Inventor: Todd Meyers
  • Patent number: D414879
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: October 5, 1999
    Assignee: R.M.M. Corp., Inc.
    Inventor: Todd Meyers
  • Patent number: D416092
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: November 2, 1999
    Assignee: R. M. M. Corp. Inc.
    Inventor: Todd Meyers
  • Patent number: D417011
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: November 23, 1999
    Assignee: Summit Specialties, Inc.
    Inventors: John A. Woller, Sr., Ronald R. Woller
  • Patent number: D420147
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: February 1, 2000
    Assignee: Summit Specialties, Inc.
    Inventors: John A. Woller, Sr., Ronald R. Woller
  • Patent number: D422716
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: April 11, 2000
    Inventor: Frank J Buldra, II
  • Patent number: D423685
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: April 25, 2000
    Inventor: Jose Ruiz
  • Patent number: D424211
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: May 2, 2000
    Inventor: James D. Smith
  • Patent number: D424706
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: May 9, 2000
    Assignee: Waterair Industries
    Inventor: Andre Cholley
  • Patent number: D425209
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: May 16, 2000
    Inventor: John J. Cox
  • Patent number: D433156
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: October 31, 2000
    Assignee: Cosco Management, Inc.
    Inventors: William R. Gibson, Enrique R. Giner