0001204980-09-000005 4 1 20090904 20090909 20090909 BARTON MATHIAS J 0001204980 4 34 000-18914 091059409 Dorman Products, Inc. 0000868780 3714 232078856 PA 1231 3400 E WALNUT ST COLMAR PA 18915 2159971800 3400 E WALNUT ST COLMAR PA 18915 R & B INC 19930328 4 1 primary_doc.xml PRIMARY DOCUMENT