| Patents Granted on 1888-05-15 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 382,712 | May 15, 1888 | W.C. Marr | Pliers | pliers |
| 382,723 | May 15, 1888 | F.W. Olds | Wood-sawing machine | drag saws |
| 382,724 | May 15, 1888 | A. Patterson | Lathe Tool | lathe tools |
| 382,791 | May 15, 1888 | G.C. Berlin | Tenoning-machine | tenoning machines |
| 382,799 | May 15, 1888 | R. Copland | Pipe Wrench | pipe wrenches |
| 382,807 | May 15, 1888 | R. Harris | Wagon-jack | wagon and cart jacks |
| 382,821 | May 15, 1888 | J.D. Masters | Combination Tool | combination tools |
| 382,845 | May 15, 1888 | N. Tesla | Commutator for Dynamo-Electric Machines | |
| 382,854 | May 15, 1888 | H.C. Balsbbaugh | Slip and Shrinkage Gage | measurement gauges |
| 382,857 | May 15, 1888 | F. Batter | Traction Engine | traction engine tracks |
| 382,909 | May 15, 1888 | H.H. Scoville | Polishing Lathe | stoneworking lathes |
| 382,939 | May 15, 1888 | E. Barrath | Coal-hod | |
| 382,975 | May 15, 1888 | B.R. Hagar | Wrench | pipe wrenches |
| 383,031 | May 15, 1888 | A. Allgoever | Drill-stock | hand drills |
| 383,049 | May 15, 1888 | F. Frank, A.F. Garrett | Improvements in Combination Wrenches and Ratchet-Drills | ratchet wrenches |
