| Patents Granted on 1915-04-20 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 1,135,983 | Apr. 20, 1915 | E.E. Bartlett | Arbor-press | arbor presses |
| 1,136,023 | Apr. 20, 1915 | E.C. Manterola | Saw-jointer | saw jointers |
| 1,136,085 | Apr. 20, 1915 | J.C. Backert | Cutter | sawblades |
| 1,136,146 | Apr. 20, 1915 | J.J. Krohn, F.J. Davis | Stave-sander | cooper |
| 1,136,376 | Apr. 20, 1915 | W. Spacke, D.T. Brownlee, F.W. Spacke | Crank Shaft | crankshafts |
| 1,136,488 | Apr. 20, 1915 | C.E. Sargent | Gas Driven Air Compressor | gas and gasoline engines |
| 1,136,564 | Apr. 20, 1915 | M.J. Todd | Vehicle Coupling | wagon and cart couplings |
| 1,136,618 | Apr. 20, 1915 | A.S. Robinson | Pliers and Like Gripping Tool | pliers |
| 1,136,648 | Apr. 20, 1915 | W.H. Bristol | Measuring Instrument | measuring apparatus |
| 1,136,689 | Apr. 20, 1915 | E. McCoy | Locomotive-Lubricator | steam engine lubricators |
| 1,136,790 | Apr. 20, 1915 | . | Combination Saw and Try Square | |
