| Patents for John E. Caster |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 1,665,084 | Apr. 03, 1928 | J.E. Caster | Grinding Machinery |
| | 1,707,708 | Apr. 02, 1929 | J.E. Caster | Process for the Production of Spherical Articles |
| | 1,733,863 | Oct. 29, 1929 | J.E. Caster | Centerless Grinding |
| | 1,776,241 | Sep. 16, 1930 | F.S. Haas, J.E. Caster | Grinding Machinery |
| | 1,791,442 | Feb. 03, 1931 | J.E. Caster | Grinding Machine |
| | 1,791,713 | Feb. 10, 1931 | L.F. Nenninger, J.E. Caster | Centerless Grinder |
| | 1,814,367 | Jul. 14, 1931 | J.E. Caster | Long Bar Grinder |
| | 1,814,431 | Jul. 14, 1931 | J.E. Caster | Grinding Machinery |
| | 1,822,337 | Sep. 08, 1931 | J.E. Caster | Grinding Machinery |
| | 1,862,882 | Jun. 14, 1932 | J.E. Caster | Grinding Machinery |
