HELIX

Acoustic and vibration insulating and dampening materials used for building insulation, namely, multi-layer structures of paperboard laminated to a polymeric foam; Acoustic and vibration insulating and dampening materials used in electronic audio equipment, namely, multi-layer structures of paperboard laminated to a polymeric foam

Acoustic and vibration insulating and dampening materials used in building glass, namely multi-layer structures of paperboard laminated to a polymeric foam