The Harker Pottery Co. was one of the longest producing potteries in the United States. It was established in 1840 in East Liverpool OH and later moved its facilities to Chester WV in 1931. The Harker Pottery was sold to the Jeannette Corp. in 1969, but closed its doors shortly afterward in 1972 due to financial difficulties. Most of the Harker listed here was made before the Jeannette buyout. Unknown patterns that begin with HAR match Replacements Harker unidentified patterns.