2013
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Invention
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Swing door. A swing type garage door has one or more of several features, including a door body r... |
2012
|
Invention
|
Hydraulic cylinder control. A system and methods for controlling operation of hydraulic cylinders... |
2008
|
Invention
|
Swing door.
A swing type garage door has one or more of several features, including a door body ... |
2005
|
Invention
|
Hydraulic door opening mechanism and method of installing a bi-fold door. A hydraulic door openin... |
2000
|
Invention
|
Over center door closing mechanism. A door closing mechanism for pulling a door tight to a frame ... |
1992
|
Invention
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Automatic jamb latch mechanism for overhead bifold door. A latch assembly for overhead bifold doo... |
1986
|
Invention
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Support mechanism for bifold door. ABSTRACT OVERHEAD DOOR An overhead door including an upper doo... |