| Patents Granted on 1915-03-16 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| RE13,892 | Mar. 16, 1915 | C.E. Van Norman | Machine for grinding bearing-races | grinding machines |
| 1,131,777 | Mar. 16, 1915 | B.O. Gage | Tool Holder for Rotary Drilling and Like Devices | drilling and boring tool holders |
| 1,131,789 | Mar. 16, 1915 | W.H. Pearce | Valve-grinding tool | |
| 1,131,869 | Mar. 16, 1915 | E.A. Schade | Bench Bracket and Vise | clamps |
| 1,131,923 | Mar. 16, 1915 | E.V. Frailey | Machinist's Scribe | marking gauges |
| 1,132,179 | Mar. 16, 1915 | C. Hacking | Key Seating Machine | key seating machines |
| 1,132,225 | Mar. 16, 1915 | R.C. Stevens | Steam Superheater | steam superheaters |
| 1,132,226 | Mar. 16, 1915 | R.C. Stevens | Steam Engine | steam engines |
| 1,132,252 | Mar. 16, 1915 | C.G. Fruedinger | Combination Tool | |
| 1,132,319 | Mar. 16, 1915 | T.J. Fegley | Tap Wrench | |
| 1,132,320 | Mar. 16, 1915 | G.O. Leopold, T.J. Fegley | Vise | bench vises |
| 1,132,396 | Mar. 16, 1915 | C.I. Sedlmayer, J.W. Brooks | Adjustable Valve Reseating or Milling Tool | valve grinding tools |
| 1,132,486 | Mar. 16, 1915 | H.W. Oster | Tire holder and lock | automobile accessories |
| 1,132,534 | Mar. 16, 1915 | A.L. De Leeuw | Heavy-duty structure | milling machines |
| 1,132,536 | Mar. 16, 1915 | A.J. Prance | Screw-cutting tap | tapping heads and chucks |
