Patents Granted on 1850-04-09 |
Patents 1 -
6
of 6
      |
Number | Date | Patentee | Title | Type |
AI94 | Apr. 09, 1850 | J.H. Smith | Separating oleic acid from stearic acid in manufacturing candles | |
7,257 | Apr. 09, 1850 | D.H. Chamberlain | Divider or Compass | dividers |
7,262 | Apr. 09, 1850 | J. Johnson | Woodworker's Leg Vise | leg vises |
7,263 | Apr. 09, 1850 | W.G. Ladd, Jr. | Fluid Level | inclinometers |
7,264 | Apr. 09, 1850 | S. Lewis | Machine for cutting screws on the rails of bedsteads | wood threading machines |
7,278 | Apr. 09, 1850 | M. Wilder | Mill Shaft Spindle | industrial machine shaft couplings |