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Edward E. Heald
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Greenville, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ladder, member for connecting a rail to a horizontal element of a l...
Patent number
6,142,255
Issue date
Nov 7, 2000
Werner Co.
David E. Plotner
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Ladder top
Patent number
D422717
Issue date
Apr 11, 2000
Werner Co.
Frederick J. Bartnicki
D25 - Building units and construction elements
Information
Patent Grant
Front face of a ladder top
Patent number
D413990
Issue date
Sep 14, 1999
Werner Co.
Frederick J. Bartnicki
D25 - Building units and construction elements
Information
Patent Grant
Caddy top
Patent number
D404503
Issue date
Jan 19, 1999
Werner Co.
Randall Bell
D25 - Building units and construction elements
Information
Patent Grant
Step ladder
Patent number
D397228
Issue date
Aug 18, 1998
Werner Co.
Randall Bell
D25 - Building units and construction elements
Information
Patent Grant
Ladder, member for connecting a rail to a horizontal element of a l...
Patent number
5,791,439
Issue date
Aug 11, 1998
Werner Co.
David E. Plotner
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Ladder, member for connecting a rail to a horizontal element of a l...
Patent number
5,636,706
Issue date
Jun 10, 1997
Werner Co.
David E. Plotner
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS