| All Patents in class 81/35 |
Patents 16 -
30
of 88
      |
| Number | Date | Patentee | Title | Type |
| 87,309 | Feb. 23, 1869 | F.M. Thompson, J.W. Thompson | Bit-stock | brace chucks |
| 89,755 | May 04, 1869 | D.P. Foster | Bit-stock | brace chucks |
| 89,925 | May 11, 1869 | J.S. Fray | Improvement in attachment to boring-brace | braces |
| 101,251 | Mar. 29, 1870 | D.P. Foster | Bit-stock | brace chucks |
| 110,960 | Jan. 17, 1871 | W.P. Dolan | Bit-brace | ratchet braces |
| 112,799 | Mar. 21, 1871 | R. French | Improvement in bit-braces | brace chucks |
| 118,039 | Aug. 15, 1871 | W.H. McCoy | Bit-stock | brace chucks |
| 118,058 | Aug. 15, 1871 | S. Sawyer | Bit-stock | brace chucks |
| RE4,518 | Aug. 22, 1871 | H.S. Bartholomew | Improvement in bit-braces | braces |
| RE4,519 | Aug. 22, 1871 | H.S. Bartholomew | Improvement in bit-braces | braces |
| 122,652 | Jan. 09, 1872 | J. Rice | Bit-brace | braces |
| 139,876 | Jun. 17, 1873 | A.P. Daboll | Bit-stock head | making braces |
| 147,851 | Feb. 24, 1874 | W. Manuel | Bit-stock | brace chucks |
| 150,108 | Apr. 21, 1874 | J.E. Uhl | Improvement in bit-stocks | braces |
| 157,212 | Nov. 24, 1874 | J.S. Mitchell | Bit-stock | brace chucks |
