| Patents Granted on 1877-05-22 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| RE7,689 | May 22, 1877 | C.S. Bonney | Improvement in Hollow Augers | hollow bits |
| 190,958 | May 22, 1877 | G.H. Corliss | Air Pump Connections for Steam Engines | air pumps |
| 190,959 | May 22, 1877 | H. Davis | Wrench | self-adjust wrenches |
| 191,010 | May 22, 1877 | J.P. Mitchell | Improvement in Wrenches | screw adjust wrenches |
| 191,026 | May 22, 1877 | J.A. Caldwell | Tool For Tightening and Fastening Straps For Securing Hose To Coupling | pliers |
| 191,034 | May 22, 1877 | T.H. Delaney | Improvement in machines for sawing shingles | shingle machines |
| 191,053 | May 22, 1877 | F.K. Hesse | Gage | calipers |
| 191,084 | May 22, 1877 | H. Tabor | Governor for Steam-Engines | steam engine governors |
| 191,099 | May 22, 1877 | S.N. Blood, J.B. Blood | Improvement in machines for making kits and buckets | specialty woodworking machines |
| 191,109 | May 22, 1877 | H. Carter | Improvement in mortising-machines | mortising machines |
| 191,111 | May 22, 1877 | E. Cather | Improvement in machines for compressing the ends of blind-slats | windowblind machines |
| 191,133 | May 22, 1877 | R. Gardiner | Improvement in gages for bits | gauges |
| 191,136 | May 22, 1877 | F.R. Glascock | Tack Hammer | tack hammers |
| 191,158 | May 22, 1877 | A. Knipper | Improvement in machines for sawing staves | cooper |
| 191,198 | May 22, 1877 | E.W. Tilton | Improvement in circular saws | sawblades |
