| Patents for Calvin L. Butler |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 96,881 | Nov. 16, 1869 | C.L. Butler | Improvement in bit-braces | brace chucks |
| 133,198 | Nov. 19, 1872 | C.L. Butler | Improvement in Adjustable Jaws for Vises | vises |
| D7,382 | Apr. 21, 1874 | C.L. Butler | Design for cutlery-handles | cutlery |
| D7,383 | Apr. 21, 1874 | C.L. Butler | Design for cutlery-handles | cutlery |
| D7,384 | Apr. 21, 1874 | C.L. Butler | Design for cutlery-handles | cutlery |
| D7,385 | Apr. 21, 1874 | C.L. Butler | Design for cutlery-handles | cutlery |
| 220,699 | Oct. 21, 1879 | C.L. Butler | Improvement in pocket-knives | pocket knives |
| 229,802 | Jul. 13, 1880 | C.L. Butler | Carving-fork | cutlery |
| 253,581 | Feb. 14, 1882 | C.L. Butler | Vise | hand vises |
| 356,616 | Jan. 25, 1887 | C.L. Butler | Drill-chuck | drill chucks |
