| Patents Granted on 1912-08-20 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| RE13,458 | Aug. 20, 1912 | C.R. Carpenter, G. Gorton | Metal Cutting-Off Device and the Like | metal cutting circular saw blades |
| CA-142,441 | Aug. 20, 1912 | J.H. Miner | Lubricator | |
| 1,035,860 | Aug. 20, 1912 | C.M. Conradson | Speed Variator | metalworking machine mechanisms |
| 1,035,968 | Aug. 20, 1912 | J.L. Kelley | Trip Hammer | trip and helve hammers |
| 1,035,974 | Aug. 20, 1912 | E.N. Kraemer | Valve Spring Releaser and Retainer | valve spring tools |
| 1,035,979 | Aug. 20, 1912 | J. Lenz | Lathe Dog | lathe dogs |
| 1,036,023 | Aug. 20, 1912 | W.E. Stephens | Automobile-horn | |
| 1,036,057 | Aug. 20, 1912 | A.D. Baker | Valve-Gear for Locomotive-Engines | steam engine valve gear |
| 1,036,058 | Aug. 20, 1912 | A.D. Baker | Reversible Variable Cut-Off Valve Gear for Locomotives | steam engine valve gear |
| 1,036,059 | Aug. 20, 1912 | A.D. Baker | Reversible Variable-Cut-Off Valve-Gear | steam engine valve gear |
| 1,036,101 | Aug. 20, 1912 | J. Hartness | Metal Turning Tool | lathe tools |
| 1,036,102 | Aug. 20, 1912 | J. Hartness | Chip Controlling Means for Metal-Cutting Tools | lathe tools |
| 1,036,103 | Aug. 20, 1912 | J. Hartness | Chip Controller for Metal Turning Tools | lathe tools |
| 1,036,104 | Aug. 20, 1912 | J. Hartness | Taper Turning Mechanism | metal lathe accessories and attachments |
| 1,036,105 | Aug. 20, 1912 | J. Hartness | Work Holder for Metal Turning Machines | metal lathe chucks |
