First Thermal Systems, Inc. Trademarks
VILLAM
Filed: December 20, 1991
high-efficiency helical coil thermal fluid heaters for industrial use
Owned by: First Thermal Systems, Inc.
Serial Number: 74232146
ZIETREN
Filed: August 9, 1993
thermal fluid heaters for raw surface water
Owned by: First Thermal Systems, Inc.
Serial Number: 74422006
ZIETRAN
Filed: August 23, 1993
nontoxic biodegradable thermal fluid for use in aquatic heating systems
Owned by: First Thermal Systems, Inc.
Serial Number: 74426990
