Glassven Trademarks

GLASSVENT
Non-metal ventilating ducts for use in storefront and curtain wall systems
Registered  ·  March 7, 2008  ·  77416393  · 
glassvent
GLASSVENT
vents for storefront and curtain wall systems
Abandoned  ·  February 23, 1993  ·  74363070  ·