| All Patents in class 279/93 |
Patents 1 -
15
of 34
      |
| Number | Date | Patentee | Title | Type |
| 55,364 | Jun. 05, 1866 | C.O. Richey | Brace for bits | brace chucks |
| 162,271 | Apr. 20, 1875 | E.R. Charles | Bit-stock | brace chucks |
| 162,343 | Apr. 20, 1875 | J.H. Blaisdell | Improvement in molding-machines | molders |
| 366,826 | Jul. 19, 1887 | G. Gavin, L.W. Cromer | Bit-brace | |
| 386,319 | Jul. 17, 1888 | I. Holliday | Brace and bit | brace chucks |
| 399,641 | Mar. 12, 1889 | J.H. Wundes | Adjustable Graver Handle | tool holders |
| 416,594 | Dec. 03, 1889 | G.B. Goddard | Tool Handle | tool handles |
| 429,223 | Jun. 03, 1890 | J.H. Wundres | Graver | tool handles |
| 500,153 | Jun. 27, 1893 | W.S. Parman | Bit-stock | |
| 510,104 | Dec. 05, 1893 | J. Uhl | Improvements in Bit-Stocks or Tools for Holding Screw-Hooks, or Like Articles | brace chucks |
| 512,911 | Jan. 16, 1894 | H. Shogren | Tool Holder | tool holders |
| 513,827 | Jan. 30, 1894 | F.H. Richards | Turret Machine for Boring Cylinders | turret lathes |
| 526,658 | Sep. 25, 1894 | H. Polis | Wrench and Bit Stock | brace wrenches |
| 582,413 | May 11, 1897 | S.B. Davis | Bit-stock | |
| 654,012 | Jul. 17, 1900 | R. Lewis | Bit-brace | |
