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Over the years, Von Duprin has been an innovator in many
new concepts to the industry. These include the latch track threshold,
drop forged center case, concealed vertical rod device, reversible exit
device, narrow stile device, extruded aluminum mullion and wood door
concealed device, all designed to meet the needs of architects and
building owners. M. Spinello and Son services and installs the complete
Von Duprin Product Line.
 
 
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