| Patents for B. C. Roloff |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 555,716 | Mar. 03, 1896 | J. Traudt, Jr. | Wrench |
 | 577,492 | Feb. 23, 1897 | J.M. Nash | Automated spindle machine |
 | 588,991 | Aug. 31, 1897 | D.A. Henderson | Pipe Wrench |
 | 598,671 | Feb. 08, 1898 | C.H. Driver | Sandpapering-machine |
| | 636,192 | Oct. 31, 1899 | H.W. Bolens | Grinding Machine |
| | 649,972 | May 22, 1900 | T.S. Watson | Electric-motor-controlling device |
| | 655,753 | Aug. 14, 1900 | H.W. Bolens | Grinding Machine |
 | 672,511 | Apr. 23, 1901 | J.M. Nash | Abrading-machine |
 | 674,384 | May 21, 1901 | J.M. Nash | Abrading mechanism |
 | 707,621 | Aug. 26, 1902 | J.M. Nash | Abrading mechanism |
