| All Patents in class 81/35 |
Patents 31 -
45
of 88
      |
| Number | Date | Patentee | Title | Type |
| 163,896 | Jun. 01, 1875 | D.F. Sutton | Improvement in bit-stocks | brace chucks |
| 168,933 | Oct. 19, 1875 | H. Stanley | Improvement in handles for boring tools | brace handles |
| 213,399 | Mar. 18, 1879 | L.C. Bert | Improvement in bit-stocks | brace handles |
| 218,107 | Aug. 05, 1879 | J. Beadle | Double-wimble bit-stock | fixed braces |
| 225,768 | Mar. 23, 1880 | N. Spofford | Bit-brace | brace chucks |
| 237,780 | Feb. 15, 1881 | N.N. Spofford | Bit-stock | braces |
| 246,233 | Aug. 23, 1881 | N.N. Spofford | Ratchet bit-brace | ratchet braces |
| 263,455 | Aug. 29, 1882 | C.H. Amidon | Bit-stock | braces |
| 280,607 | Jul. 03, 1883 | F. Grant | Bit-stock | braces |
| 286,683 | Oct. 16, 1883 | J. Chantrell | Ratchet brace | braces |
| 392,062 | Oct. 30, 1888 | J.T. Pederson | Brace for holding bits and other tools | |
| 426,827 | Apr. 29, 1890 | T.C. Long | Ratchet attachment for bit stocks | hand drills |
| 478,248 | Jul. 05, 1892 | O.R. Alden | Bit-stock | |
| 481,526 | Aug. 23, 1892 | A.C. Derlon | Universal-jointed brace | braces |
| 495,055 | Apr. 11, 1893 | J.N. Parker | Combination-tool | brace wrenches |
