Sports flooring with foam layer made from recycled sports shoes, United States, 2005
2005
2005
Unknown
1873-1876
1977
1968-72
circa 2007
1945-1950
1968-1972
1958
1798 (original); 1977 (model)
1800-1900
1940-1945
1956
1960-1980
1765
1890-1910
1956
1910-1950
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868
1868