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Patents
Building Units And Construction Elements Patents
Stair, Ladder, Scaffold, Or Similar Support Patents
Element Of Attachment (13) Patents (Class D25/68)
Element Of Attachment (13) Patents (Class D25/68)
Stair tread, step or ladder rung (Class D25/69)
Scaffold jack
Patent number:
D246859
Type:
Grant
Filed:
June 9, 1976
Date of Patent:
January 3, 1978
Inventor:
Earl E. Schmitz
Bracket support for a workman's plank
Patent number:
D247722
Type:
Grant
Filed:
November 3, 1976
Date of Patent:
April 11, 1978
Inventor:
Bernhardt E. Lehto
Ladder platform
Patent number:
D248777
Type:
Grant
Filed:
June 1, 1976
Date of Patent:
August 1, 1978
Assignee:
Little Giant Industries, Inc.
Inventors:
Edward Spencer, Harold R. Wing
Sawhorse table conversion bracket
Patent number:
D251018
Type:
Grant
Filed:
December 22, 1976
Date of Patent:
February 6, 1979
Inventor:
Cecil W. Lockwood
Saw buck bracket
Patent number:
D253428
Type:
Grant
Filed:
December 12, 1977
Date of Patent:
November 13, 1979
Assignee:
The Stanley Works
Inventor:
William J. Hildebrandt
Paint brush holder for mounting on a ladder step, rung, or the like
Patent number:
D256730
Type:
Grant
Filed:
November 21, 1977
Date of Patent:
September 2, 1980
Inventor:
James M. Hester
Scaffold
Patent number:
D258691
Type:
Grant
Filed:
June 16, 1978
Date of Patent:
March 24, 1981
Inventor:
Curt L. Nyman
Ladder cover
Patent number:
D260576
Type:
Grant
Filed:
November 16, 1978
Date of Patent:
September 8, 1981
Inventor:
Lynn M. Roberdeaux
Protective ladder pad
Patent number:
D265592
Type:
Grant
Filed:
June 17, 1980
Date of Patent:
July 27, 1982
Inventor:
John H. Perkins
Platform for supporting a ladder on stairs
Patent number:
D268133
Type:
Grant
Filed:
October 14, 1980
Date of Patent:
March 1, 1983
Inventor:
Betty D. Drake
Splice element for a ladder safety rail
Patent number:
D270475
Type:
Grant
Filed:
June 8, 1981
Date of Patent:
September 6, 1983
Assignee:
DHV, Inc.
Inventor:
Gary W. Havener
Scaffold anchorage socket
Patent number:
D270476
Type:
Grant
Filed:
August 20, 1981
Date of Patent:
September 6, 1983
Assignee:
Guest Keen & Nettlefolds (Aust) Limited
Inventor:
Allan N. Black
Splice element for a ladder safety rail
Patent number:
D270571
Type:
Grant
Filed:
June 8, 1981
Date of Patent:
September 13, 1983
Assignee:
DHV, Inc.
Inventor:
Gary W. Havener
Scaffold anchorage lug
Patent number:
D270572
Type:
Grant
Filed:
August 20, 1981
Date of Patent:
September 13, 1983
Assignee:
Guest Keen & Nettlefolds (Aust) Limited
Inventor:
Allan N. Black
Scaffold brace anchorage socket
Patent number:
D270573
Type:
Grant
Filed:
August 20, 1981
Date of Patent:
September 13, 1983
Assignee:
Guest Keen & Nettlefolds (Aust) Limited
Inventor:
Allan N. Black
Scaffold spring wedge
Patent number:
D270574
Type:
Grant
Filed:
August 20, 1981
Date of Patent:
September 13, 1983
Assignee:
Guest Keen & Nettlefolds (Aust) Limited
Inventor:
Allan N. Black
Corner bracket for use on a scaffold, or similar article
Patent number:
D272766
Type:
Grant
Filed:
September 29, 1982
Date of Patent:
February 21, 1984
Inventor:
Nathan J. Guerriero
Safety clamp for ladders
Patent number:
D272857
Type:
Grant
Filed:
November 30, 1981
Date of Patent:
February 28, 1984
Inventor:
Kant F. Leach
Ladder-mounted utility shelf
Patent number:
D273996
Type:
Grant
Filed:
June 14, 1982
Date of Patent:
May 22, 1984
Inventor:
Raymond E. Rasler
Stepladder shelf extension
Patent number:
D274363
Type:
Grant
Filed:
June 28, 1982
Date of Patent:
June 19, 1984
Assignee:
Brownlee Stepladder Extensions, Inc.
Inventor:
Merrel F. Brownlee, Jr.
Stepladder top extension
Patent number:
D274364
Type:
Grant
Filed:
June 28, 1982
Date of Patent:
June 19, 1984
Assignee:
Brownlee Stepladder Extensions, Inc.
Inventor:
Merrel F. Brownlee, Jr.
Mobile support for scaffolding or the like
Patent number:
D274945
Type:
Grant
Filed:
March 15, 1982
Date of Patent:
July 31, 1984
Inventor:
Jack H. Fitch
Foot support for a lineman's climbing hook
Patent number:
D275335
Type:
Grant
Filed:
January 18, 1982
Date of Patent:
September 4, 1984
Inventor:
John D. Garrison
Roofer's support chair
Patent number:
D275422
Type:
Grant
Filed:
September 20, 1982
Date of Patent:
September 4, 1984
Inventor:
Patric I. Dello Russo
Scaffold plank
Patent number:
D281106
Type:
Grant
Filed:
June 9, 1982
Date of Patent:
October 22, 1985
Assignee:
Chadwick Management Services Pty. Limited
Inventors:
Norman I. Thomas, Gunther Ilgoutz
Safety channel for an escalator side wall
Patent number:
D283444
Type:
Grant
Filed:
October 19, 1983
Date of Patent:
April 15, 1986
Assignee:
Kleeneze Industrial Ltd.
Inventor:
David B. Allard
Safety channel for an escalator side wall
Patent number:
D283445
Type:
Grant
Filed:
October 19, 1983
Date of Patent:
April 15, 1986
Assignee:
Kleeneze Industrial Ltd.
Inventor:
David B. Allard
Extension ladder shelf
Patent number:
D284513
Type:
Grant
Filed:
August 1, 1983
Date of Patent:
July 1, 1986
Inventor:
Richard A. Dyer
Ladder safety tray
Patent number:
D286574
Type:
Grant
Filed:
March 12, 1984
Date of Patent:
November 4, 1986
Inventor:
Carl M. McMillin
Step extension for recreational vehicle
Patent number:
D296321
Type:
Grant
Filed:
January 16, 1986
Date of Patent:
June 21, 1988
Inventor:
Walter A. Hayes
Combined siding guard, work top and tool rest for ladder tops
Patent number:
D297263
Type:
Grant
Filed:
January 6, 1986
Date of Patent:
August 16, 1988
Inventor:
Arduino Paci
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