| Patents Granted on 1860-05-15 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| AI279 | May 15, 1860 | M. Gregg | Hollow auger | hollow bits |
| AI280 | May 15, 1860 | J. Lyman | Protractor | protractors |
| 28,279 | May 15, 1860 | Z.L. Jacobs | Screw Plate | tap and die holders |
| 28,300 | May 15, 1860 | G.B. Phillips | Improved Slide Wrench | nut wrenches |
| 28,302 | May 15, 1860 | J.S. Pond | Washing Machine | washing machines |
| 28,308 | May 15, 1860 | J.M. Scribner | Fluting lathe | wood lathes |
| 28,314 | May 15, 1860 | A.M. Swain | Water Wheel | turbine water wheels |
| 28,328 | May 15, 1860 | J.H. Parker | Hand-drill | ratchet drills |
