| Patents Granted on 1879-05-06 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 214,981 | May 06, 1879 | H.G. Ashton | Improvement in Safety-Valve Attachments | steam safety valves |
| 215,005 | May 06, 1879 | T.E. King | Improvement in tools for turning the ends of spools | spool or bobbin machines |
| 215,024 | May 06, 1879 | L.S. Starrett | Try Square | try squares |
| 215,039 | May 06, 1879 | C.E. Billings | Tap Wrench | tap wrenches and die stocks |
| 215,041 | May 06, 1879 | E.A. Bourquin | Micrometer Gage | micrometers |
| 215,050 | May 06, 1879 | T.N. Egery | Improvement in saw-mandrels | circular saws |
| 215,109 | May 06, 1879 | T.B. Fagan, M.W. Henry | Improvement in fire-wood drag-saws | drag saws |
| 215,128 | May 06, 1879 | J.G. Johnson, O.G. Johnson | Improved Pipe-Wrench | self-adjust wrenches |
| 215,197 | May 06, 1879 | D.W. Emery | Improvement in shingle-machines | shingle machines |
