| 0.347 | 10/10/1829 | Phelps, Augustus | Marlborough, CT. | N/A | no | "Composition of Bit Stocks" | N/A |
| 0.5115 | 06/30/1836 | Taylor, Jeremy | Hebron, CT. | Increase Wilson Mfg. Co.; New London, CT. | yes | Bitstock | Also manufactured by Hebron Mfg. Co and/or H.O. White, Hebron, CT. |
| 730 | 05/08/1838 | Page, George | Keene, NH. | N/A | no | Geared Drill Stock | N/A |
| 5087 | 04/24/1847 | Andrews, Manassah | Bridgewater, MA. | N/A | yes | Bitstock | N/A |
| 6256 | 04/03/1849 | Barnes, William T. | Buffalo, NY. | N/A | ? | Auger Stock | N/A |
| 9209 | 08/17/1852 | Smith, Erasmus | Norwich, Chenango County, NY. | N/A | N/A | "Fastener of bitts to braces" | assigned to David Maypole |
| 9271 | 09/21/1852 | Daniel, Reuben | Woodstock, VT. | N/A | no | Drilling machine, hand | N/A |
| 9353 | 10/26/1852 | Chamberlain, Dexter H. | Boston, MA. | N/A | no | "Drill or bitt stock" | N/A |
| 9939 | 08/16/1853 | McKinley, Arshal H. | Higginsport, OH. | N/A | no | Socket for auger handles or braces. | N/A |
| 10189 | 11/01/1853 | Perkins, Howard | S. Bridgewater, MA. | N/A | no | "Brace and bit fastener, carpenter's" | N/A |
| 10307 | 12/13/1853 | Comstock, John | New London, CT. | I. Wilson; New London | yes | "Bit stock of braces" | N/A |
| 10500 | 02/07/1854 | Chamberlain, Dexter H. | Boston, MA | N/A | N/A | Tool Holder. Two jaws actuated by threaded sleeve. | Idea predates Barber patent. |
| 10499 | 02/07/1854 | Chamberlain, Dexter H. | Boston, MA. | N/A | yes | Bit or drill stock | N/A |
| 10853 | 05/02/1854 | Allender, John | New London, CT | N/A | N/A | Operating catch in tool. | N/A |
