| Patents Granted on 1860-04-?? |
Patents 1 -
15
of 57
      |
| Number | Date | Patentee | Title | Type |
| AI274 | Apr. 03, 1860 | R. Cartwright | Canal boat propeller | |
| AI275 | Apr. 03, 1860 | J. Emerson | Ship's windlass | |
| AI276 | Apr. 03, 1860 | H.P. Gatchell | Coffeepot | |
| 27,677 | Apr. 03, 1860 | E. Armstrong | Steam Puppet Valve | steam engine valves |
| 27,682 | Apr. 03, 1860 | L.B. Batcheller | Machine for manufacturing barrel-heads | barrel making machines |
| 27,690 | Apr. 03, 1860 | T.P. Butterfield | Device for tilting the bolt in shingle-machines | shingle machines |
| 27,696 | Apr. 03, 1860 | J. Cook | Lathe | pattern lathes |
| 27,704 | Apr. 03, 1860 | F. Douglas | Improved steam-trap | steam engines |
| 27,705 | Apr. 03, 1860 | N. Drake | Corn Sheller | corn shellers |
| AI277 | Apr. 10, 1860 | J. Gore | Cutter for harvester | |
| 27,771 | Apr. 10, 1860 | L. Beach | Improvement in horse-rakes | hay or straw rakes |
| 27,779 | Apr. 10, 1860 | P. Crosby | Saw | reciprocating sawmills |
| 27,782 | Apr. 10, 1860 | L. Eames | Mortising-tool | mortise chisels |
| 27,784 | Apr. 10, 1860 | J.E. Emerson | Fastening for ax-handles | axes |
| 27,803 | Apr. 10, 1860 | A. Howard, Jr. | Machine for making woodenware | specialty woodworking machines |
