73672351
Jul 16, 1987
Oct 11, 1988
POLYEURETHANE, HEMISPHERICAL-SHAPED, FREE STANDING, TWO-STAGE SHOCK ABSORBER USED IN THE UNDERLAYMENT OF FLOORING FOR CUSHIONING ATHLETIC FLOORS, GYMNASIUM FLOORS, RACQUETBALL COURTS, DANCING FLOORS, HOTEL LOBBIES, OFFICE BUILDING LOBBIES, RESTAURANT FLOORS AND RETAIL STORE FLOORS
Nonmetallic Building Materials