Edward E. Heald

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Greenville, PA, US

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Patents Grantslast 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