David E. Plotner

Person

Sharpsville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Box rail backup and method
- Patent number 11,885,181
- Issue date Jan 30, 2024
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Locking hinge for folding ladder
- Patent number 7,234,203
- Issue date Jun 26, 2007
- Werner Co.
- Brett A. Latimer
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Positioning system for folding ladder and method of installation of...
- Patent number 7,165,649
- Issue date Jan 23, 2007
- Werner Co.
- Brett A. Latimer
- E04 - BUILDING
Information Patent Grant
Stowable ladder configured for installation in an opening
- Patent number 6,994,184
- Issue date Feb 7, 2006
- Werner Co.
- Brett A. Latimer
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Stowable ladder configured for installation in an opening
- Patent number 6,991,063
- Issue date Jan 31, 2006
- Werner Co.
- Brett A. Latimer
- 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 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, 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

Patents Applicationslast 30 patents

Information Patent Application
BOX RAIL BACKUP AND METHOD
- Publication number 20240218740
- Publication date Jul 4, 2024
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Box Rail Backup and Method
- Publication number 20210198943
- Publication date Jul 1, 2021
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Stowable ladder configured for installation in an opening
- Publication number 20050029044
- Publication date Feb 10, 2005
- Brett A. Latimer
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Stowable ladder configured for installation in an opening
- Publication number 20050029043
- Publication date Feb 10, 2005
- Brett A. Latimer
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Locking hinge for folding ladder
- Publication number 20050028320
- Publication date Feb 10, 2005
- Brett A. Latimer
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Positioning system for folding ladder and method of installation of...
- Publication number 20050029042
- Publication date Feb 10, 2005
- Brett A. Latimer
- E04 - BUILDING

David E. Plotner

Person

Patents Grantslast 30 patents

Box rail backup and method

Locking hinge for folding ladder

Positioning system for folding ladder and method of installation of...

Stowable ladder configured for installation in an opening

Stowable ladder configured for installation in an opening

Ladder, member for connecting a rail to a horizontal element of a l...

Ladder, member for connecting a rail to a horizontal element of a l...

Ladder, member for connecting a rail to a horizontal element of a l...

Patents Applicationslast 30 patents

BOX RAIL BACKUP AND METHOD

Box Rail Backup and Method

Stowable ladder configured for installation in an opening

Stowable ladder configured for installation in an opening

Locking hinge for folding ladder

Positioning system for folding ladder and method of installation of...