| Patents Granted on 1863-04-__ |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| CS-158 | Apr. 06, 1863 | G.H. Lehner | Lathe | metal lathes |
| 38,119 | Apr. 07, 1863 | S.A. Morse | Twist Drill Bit | twist drill bits |
| 38,135 | Apr. 07, 1863 | J.S. Shattuck, D. Shattuck | Improved machine for cutting rasps | making files |
| XC-1,518 | Apr. 10, 1863 | W.S. Arnold | An improvement in a wood sawing machines, being a crank attached to a pitman of the saw and a self-adjusting gauge for raising or lowering the saw when in motion | reciprocating sawmills |
| RE1,452 | Apr. 14, 1863 | W.H. Livingston | Improvement in Wood-Saw Frames | frame saws |
| 38,139 | Apr. 14, 1863 | J.L. Alberger | Improvement in metallic hoops | hoop making machines |
| 38,141 | Apr. 14, 1863 | J.A. Ayres | Improvement in Screws | screws |
| 38,147 | Apr. 14, 1863 | C. Chinnock | Improved cork-drawer | mechanical cork extractors |
| 38,153 | Apr. 14, 1863 | G. Cowing | Polishing Metal Cylinders | polishing and buffing machinery |
| 38,187 | Apr. 14, 1863 | J. Tangye | Improvement in hydraulic lifting-jacks | hydraulic jacks |
| 38,200 | Apr. 14, 1863 | W. Bullock | Printing-machine | printing presses |
| CS-160 | Apr. 15, 1863 | T.H. Bacon | Projectile | |
| CS-161 | Apr. 15, 1863 | E. Yerby | Machine for Filling Cartridges | |
| CS-159 | Apr. 16, 1863 | O.L. Bayley | Gang Ploughs | plows |
| XC-1,521 | Apr. 17, 1863 | F.C. Noxon | Improved cultivator | cultivators and tillers |
