| Patents Granted on 1879-05-?? |
Patents 1 -
15
of 44
      |
| 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 | O.G. Johnson, J.G. Johnson | Improved Pipe-Wrench | self-adjust wrenches |
| 215,197 | May 06, 1879 | D.W. Emery | Improvement in shingle-machines | shingle machines |
| CA-9,960 | May 12, 1879 | C.E. Hovey, E.D. Macpherson, J.L. Stirewalt | Improvements on conveyors | threshers and thrashers |
| 215,241 | May 13, 1879 | P. Rademann | Improvement in scroll-sawing machines | scrollsaws |
| 215,254 | May 13, 1879 | E.H. Stearns | Improvement in feed and gig mechanisms for saw-mills | sawmill feed works |
| 215,255 | May 13, 1879 | E.H. Stearns | Improvement in saw-guides | circular sawmills |
| 215,267 | May 13, 1879 | M. Covel | Saw Sharpening Machine | saw sharpening machines |
| 215,282 | May 13, 1879 | A. Nawadny | Combined Dividers, Knife, and Screw-Driver | combination tools |
