| Patents Granted on 1890-05-06 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 427,037 | May 06, 1890 | J.T. Bright | Cob Pipe Turning and Boring Lathe | pipe making machines |
| 427,044 | May 06, 1890 | A.B. Calkins | Steam Engine Indicator | steam engine indicators |
| 427,091 | May 06, 1890 | A.B. Landis | Grinding-machine | grinders |
| 427,113 | May 06, 1890 | C.W. Reeves | Square | try squares |
| 427,127 | May 06, 1890 | J.T. Spencer | Blacksmith's Tongs | blacksmith |
| 427,139 | May 06, 1890 | T.T. Wilson | Work Bench | |
| 427,220 | May 06, 1890 | W.A. Bernard | Pliers | pliers |
| 427,309 | May 06, 1890 | M.M. Green | Combination Tool | combination tools |
| 427,325 | May 06, 1890 | C.H. Irwin, J.E. Hitch, F. Mill | Boring-machine | portable timber mortisers |
| 427,342 | May 06, 1890 | A.K. Miller | Saw-mill dog | sawmill dogs |
| 427,404 | May 06, 1890 | A. Cunningham | Bandsaw mill | band sawmills |
| 427,435 | May 06, 1890 | F.B. Manville | Machine for drawing shells | |
| 427,472 | May 06, 1890 | J.B. Foote | Wrench | quick adjust wrenches |
| 427,477 | May 06, 1890 | J.H. Lawles | Machine for Grinding Pearls Ivory Etc | material grinding machines |
| 427,492 | May 06, 1890 | E. Wright | Apparatus for Transmitting and Converting Motion | industrial machine speed and direction changing mechanisms |
