Ladder Patents (Class D25/64)
Step stool type (Class D25/65)
  • Folding ladder
    Patent number: D242925
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: January 4, 1977
    Inventor: Athol John William Salter
  • Swimming pool ladder
    Patent number: D243019
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: January 11, 1977
    Assignee: Confer Plastics, Inc.
    Inventor: Raymond C. Confer
  • Safety ladder for above the ground swimming pool
    Patent number: D243953
    Type: Grant
    Filed: August 15, 1973
    Date of Patent: April 5, 1977
    Assignee: Vinyl-Fab Industries
    Inventor: Peter F. Gannon
  • Swimming pool safety ladder
    Patent number: D244093
    Type: Grant
    Filed: August 15, 1973
    Date of Patent: April 19, 1977
    Assignee: Vinyl-Fab Industries
    Inventor: Peter F. Gannon
  • Combined hand truck and ladder
    Patent number: D249031
    Type: Grant
    Filed: March 25, 1977
    Date of Patent: August 22, 1978
    Assignee: Lords III Research & Development Co.
    Inventor: Phil K. Tarran
  • Combined hand truck and ladder
    Patent number: D249032
    Type: Grant
    Filed: March 25, 1977
    Date of Patent: August 22, 1978
    Assignee: Lords III Research & Development Co.
    Inventor: Phil K. Tarran
  • Collapsed web ladder
    Patent number: D254394
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: March 4, 1980
    Inventors: Frank B. Leslie, Alexander S. Kiss
  • Foldable ladder
    Patent number: D258148
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: February 3, 1981
    Inventor: Gilbert Loix
  • Stair for a swimming pool
    Patent number: D265131
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: June 22, 1982
    Inventors: Ronald C. Wallin, Wesley A. Wallin
  • Stair for a swimming pool
    Patent number: D265250
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: June 29, 1982
    Inventors: Ronald C. Wallin, Wesley A. Wallin
  • Swimming pool ladder
    Patent number: D265251
    Type: Grant
    Filed: July 24, 1980
    Date of Patent: June 29, 1982
    Inventors: James W. Darby, David L. Darby
  • Boat ladder
    Patent number: D275798
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: October 2, 1984
    Assignee: Harris Manufacturing Corporation
    Inventors: Jerome Ruda, Vernon L. Ludwig
  • Interfitting ladder
    Patent number: D276467
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: November 20, 1984
    Inventor: Edouard Singer
  • Fire escape pole
    Patent number: D293476
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: December 29, 1987
    Inventor: Anthony E. Morales
  • Ladder
    Patent number: D295222
    Type: Grant
    Filed: July 20, 1983
    Date of Patent: April 12, 1988
    Inventor: Patricia Rudolph
  • Step ladder section
    Patent number: D297768
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: September 20, 1988
    Assignee: Emerson Electric Co.
    Inventor: Claude R. Wallick, Jr.
  • Step ladder
    Patent number: D300365
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: March 21, 1989
    Assignee: Emerson Electric Co.
    Inventors: Claude R. Wallick, Jr., Thomas J. Schmitt
  • Step ladder back section
    Patent number: D300366
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: March 21, 1989
    Assignee: Emerson Electric Co.
    Inventors: Claude R. Wallick, Jr., Thomas J. Schmitt
  • Ladder caddy
    Patent number: D304084
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: October 17, 1989
    Inventor: Kenneth H. Meng
  • Tree stand
    Patent number: D335540
    Type: Grant
    Filed: August 9, 1990
    Date of Patent: May 11, 1993
    Inventor: Kim E. Elliott
  • Stepladder
    Patent number: D341895
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: November 30, 1993
    Assignee: Leif & Gittan AB
    Inventor: Arne Idh
  • Step ladder having recessed steps
    Patent number: D343906
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: February 1, 1994
    Inventor: Jules Murray
  • Attic ladder
    Patent number: D344594
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: February 22, 1994
    Inventor: Patrick F. Whitney
  • Ladder
    Patent number: D347069
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: May 17, 1994
    Inventor: Wen-Hua Lu
  • Pool ladder
    Patent number: D356164
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: March 7, 1995
    Inventor: Robert M. Rinke
  • Flatbed ladder
    Patent number: D359134
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: June 6, 1995
    Inventor: Thomas R. Toews