| Patents for Clara Broughton |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 171,935 | Jan. 11, 1876 | W. Hawkins | Wrench | screw adjust wrenches |
| 172,155 | Jan. 11, 1876 | O.B. North | Wrench | quick adjust wrenches |
| 172,649 | Jan. 25, 1876 | A.A. Pease | Improvement in Pipe-Tongs | pliers |
| 174,142 | Feb. 29, 1876 | C.B. Martin | Improvement in Nut-Crackers | nutcrackers |
| 179,954 | Jul. 18, 1876 | D.P. Ramsdell | Improvement in machines for making wood shoes | shoemaking |
| RE7,343 | Oct. 10, 1876 | C. Barnes | Vises | bench vises |
| 185,567 | Dec. 19, 1876 | A.Y. Parmele | Improvement in clutching apparatus for hoisting-machines | industrial machine clutches |
| 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter | pipe tongs |
| 186,155 | Jan. 09, 1877 | O.B. North | Wrench | screw adjust wrenches |
| 186,296 | Jan. 16, 1877 | A.B. Bean | Clutch | metalworking power transmission |
| 186,998 | Feb. 06, 1877 | H.A. Foss | Cutter Adjustment with a Differential Screw | bench planes |
| 192,895 | Jul. 10, 1877 | A.E. Brockett | Improvement in Draw-Knives | draw knives |
| 195,373 | Sep. 18, 1877 | W.A. Ives | Improvement in bit-braces | brace chucks |
