| Patents for Isaac A. Brownell |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 20,942 | Jul. 20, 1858 | E. Field | Watch Case Making |
 | 28,747 | Jun. 19, 1860 | E.P. Gleason | Die plate for cutting screws |
 | 73,066 | Jan. 07, 1868 | J.B. Wood | Improved means of attaching handles to dippers |
 | 76,579 | Apr. 14, 1868 | A.F. Allen | Improved Signal Hose-Wrench for Coupling and Uncoupling Engine-Hose |
 | 126,544 | May 07, 1872 | D. Heaton | Combination Tool |
 | 132,908 | Nov. 12, 1872 | D. Heaton | Improvement in combination tools |
 | 160,056 | Feb. 23, 1875 | D. Heaton | Setting Instrument For Attaching Buttons, Studs, & c. |
