U.S. federal trademark · Serial No. 73658606 · Reg. No. 1502209
EXPANSION JOINT SYSTEMS COMPRISING A PAIR OF ELASTOMERIC SEALS RETAINED IN TWO OPPOSING EXTRUDED METAL FRAMES FOR SEALING THE JUNCTURE BETWEEN ADJACENT BUILDING ROOF STRUCTURES IN RESPONSE TO SEISMIC AND THERMAL MOVEMENT OF THE ADJACENT ROOF STRUCTURES
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