| Patents for J. R. Snow |
Patents 16 -
30
of 48
      |
| Number | Date | Patentee | Title | Type |
| 123,546 | Feb. 13, 1872 | H.G. Ashton | Improvement in Lock Safety-Valves for Steam-Boilers | steam safety valves |
| 124,259 | Mar. 05, 1872 | N.H. Fay | Improvement in sand-paper holders | abrasives and holders |
| 129,949 | Jul. 30, 1872 | C.J. Hall | Improvement in machines for jointing staves | barrel making machines |
| 133,521 | Dec. 03, 1872 | A. Dufoult | Shoemaker's Lasting Pincers | cobbler |
| 134,219 | Dec. 24, 1872 | I.P. Richards | Improvement in tool-holders for lathes | wood lathes |
| 134,250 | Dec. 24, 1872 | W.W. Carey | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms |
| 135,443 | Feb. 04, 1873 | J.F. Rider | Improvement in machines for making spools | spool or bobbin machines |
| 135,907 | Feb. 18, 1873 | G. Greenwood | Improvement in rotary cutter-heads for matching boards | cutterheads |
| 137,593 | Apr. 08, 1873 | W.W. Carey | Improvement in hangers for shafting | industrial machine shaft hangers |
| D6,764 | Jul. 08, 1873 | S.W. Putnam, Jr. | Design for frame of bolt-threading machines | metal threading machines |
| 141,824 | Aug. 12, 1873 | J. Stark | Improvement of Watchmakers Lathe Chucks | metal lathe chucks |
| 142,143 | Aug. 26, 1873 | J.R. Brown | Pipe-Tongs | pipe tongs |
| 142,339 | Sep. 02, 1873 | H.A. Holmes | Improvement in machines for sawing clapboards | clapboard machines |
| 143,584 | Oct. 14, 1873 | W.H. Miner | Improvement in Calipers | calipers |
| 143,773 | Oct. 21, 1873 | W. Merritt | Timber Scribe | knives and cutters |
