Known Patents
- U.S. Patent No. 104,408 - sandblasting (1870)
- U.S. Patent No. 133,501, "Improvement in cutting in stone and other hard substances" (1872) - cutting stone by means of steel shot
- U.S. Patent No. 174,167, "Improvement in process of producing designs upon hard surfaces" (1875)
- U.S. Patent No. 187,239 - production of iron shot (1872)
- U.S. Patent no. 252,279 - sharpening of files (1877)
- U.S. Patent No. 446,988
- U.S. Patent No. RE7,499
- U.S. Patent no. 702,040, "Sand-blast tumbling barrel" (attributed to "Benjamin C. Tilghman Jr.")
- UK Patent no. 2147 (1870) - sandblasting
- UK Patent no. 2900 (1870) - blast wheel
- UK Patent no. 13,510 (1885) - roughening iron and steel rolls
Read more about this topic: Benjamin Chew Tilghman