| Patents Granted on 1869-04-20 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 89,019 | Apr. 20, 1869 | A.P. Brown | File Holder | file holders |
| 89,042 | Apr. 20, 1869 | J.H. Harrison | Improvement in saw-sharpening device | woodworking machine sharpening mechanisms |
| 89,060 | Apr. 20, 1869 | S.G. Mason | Improvement in pump-piston | |
| 89,091 | Apr. 20, 1869 | G.P. Sweeny | Improvement in Devices for Measuring, Laying Out and Cutting Garments | measurement gauges |
| 89,097 | Apr. 20, 1869 | C. Wardwell | Improvement in Augers | auger bits |
| 89,104 | Apr. 20, 1869 | A. Whittemore | Sewing Machine Treadle | human powered apparatus |
| 89,112 | Apr. 20, 1869 | W.S. Wright | Improved lathing-machine | carpenter |
| 89,124 | Apr. 20, 1869 | R. Burchell, R.T. Burchell | Improvement in mitre-box | miter boxes |
| 89,130 | Apr. 20, 1869 | D.C. Cumings | Improvement in vises | leg vises |
| 89,138 | Apr. 20, 1869 | F.H. Furniss | Improved Vise | bench vises |
| 89,163 | Apr. 20, 1869 | B.F. Mohr | Improvement in wood-boring machine | drilling and boring |
| 89,172 | Apr. 20, 1869 | E.B. Rowe | Improvement in manufacturing lumber | wood planers |
| 89,177 | Apr. 20, 1869 | D. Slate | Improved Shipping Apparatus for Metal Planers | metal planers |
| 89,178 | Apr. 20, 1869 | C. Sommer | Improvement in sawmills | circular sawmills |
| 89,182 | Apr. 20, 1869 | M. Sweet | Improved curry-comb | grooming equipment |
