| Patents Granted on 1858-07-20 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 20,942 | Jul. 20, 1858 | E. Field | Watch Case Making | watchmaking machinery |
| 20,943 | Jul. 20, 1858 | W.O. Fritschler | Carpenter's Rule | folding rules |
| 20,945 | Jul. 20, 1858 | H. How | Saw-filing machine | saw sharpening machines |
| 20,956 | Jul. 20, 1858 | A. Rennie | Gauge lathe | wood lathes |
| 20,957 | Jul. 20, 1858 | G. Reynolds | Machine for making ax-polls | tool making machines |
| 20,960 | Jul. 20, 1858 | V. Snell | Heel Shaver for Boots and Shoes | shaves |
| 20,962 | Jul. 20, 1858 | A.D. Stewart | Machine for cutting both bevels simultaneously on barrel-heads | barrel making machines |
