Helical Dynamics, Inc. Trademarks
PERIME-FLO
Filed: August 7, 1992
pollutant capture units which are affixed at the source of the pollution for industrial applications
Owned by: Helical Dynamics, Inc.
Serial Number: 74303035
HELI-FLO
Filed: August 7, 1992
industrial gas cleaning and purifying separators for removing airborne gas and/or oil particles; for example for use in…
Owned by: Helical Dynamics, Inc.
Serial Number: 74303036
PLENU-FLO
Filed: August 7, 1992
air distribution system for collecting and cleaning air pollutants comprising central plenums, pick up branches and controls…
Owned by: Helical Dynamics, Inc.
Serial Number: 74303037