| Patents Granted on 1877-05-08 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| RE7,661 | May 08, 1877 | J. Gates | Improvement in lubricators | lubricators |
| RE7,662 | May 08, 1877 | J. Gates | Improvement in lubricators | lubricators |
| RE7,673 | May 08, 1877 | J. Old | Pipe-Coupling | auxiliary wrenches |
| 190,411 | May 08, 1877 | G.B. Brayton | Piston for Air and Gas Engines | pistons |
| 190,441 | May 08, 1877 | W.J. Liddell | Improvement in steam-engines | steam engines |
| 190,447 | May 08, 1877 | J. Putnam | Scale Measure | rule graduations |
| 190,452 | May 08, 1877 | G.C. Stevens | Improvement in machines for sawing staves | barrel making machines |
| 190,459 | May 08, 1877 | H. Wilkinson | Improvement in Screw-Driver Handles | screwdriver handles |
| 190,467 | May 08, 1877 | C.H. Chadbourn | Wire-Band Cutting Implement | band cutters and feeders |
| 190,470 | May 08, 1877 | G.H. Corliss | Gear-Cutting Machine | gear making machines |
| 190,490 | May 08, 1877 | L.P. Martin, J. Hock | Hot Air Engine | hot air engines |
| 190,519 | May 08, 1877 | C.H. Schrier | Square | squares |
| 190,521 | May 08, 1877 | B.F. Phillips, W.H. Smerdon | Improvement in saw sats | saw sets |
| 190,522 | May 08, 1877 | C.F. Spooner | Improvement in Attaching Handles to Crosscut Saws | crosscut saw handles |
| 190,523 | May 08, 1877 | H.I. Cook, C. States | Improved Combined Pipe-Tongs, Wrench and Screw-Driver | wrench combination tools |
