Masterduct Holding, Inc. Trademarks
FLEXMASTER U.S.A.
Filed: December 20, 2010
Metal joinery fittings for HVAC dispersion ducts; metal access doors for ventilating ducts
Owned by: Masterduct Holding, Inc.
Serial Number: 85202005
FIRE FLEX
Filed: July 19, 2013
Non-metal ventilating ducts
Owned by: Masterduct Holding, Inc.
Serial Number: 86014612