| Patents Granted on 1939-08-22 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| RE21,180 | Aug. 22, 1939 | H.L. Myers | Rotary disk edging machine | sanding machines |
| D116,269 | Aug. 22, 1939 | S. Mandl | Arbor Press | |
| 2,170,036 | Aug. 22, 1939 | R. Schumann | Small electric machine tool | handheld power tools |
| 2,170,058 | Aug. 22, 1939 | E.T. Larkin | Internal Combustion Engine | internal combustion engines |
| 2,170,216 | Aug. 22, 1939 | H.V. Rau | Snap fastener | |
| 2,170,291 | Aug. 22, 1939 | M.E. Martellotti | Transmission and Control Mechanism for Milling Machines | milling machines |
| 2,170,304 | Aug. 22, 1939 | C. Herfurth | Truing Attachment | grinding machines |
| 2,170,312 | Aug. 22, 1939 | H.B. Tuthill, H.F. Caldwell | Combination bread slicing and wrapping machine | |
| 2,170,461 | Aug. 22, 1939 | B. Pepperdine | Combination Puller | |
| 2,170,462 | Aug. 22, 1939 | M.C. Putnam | Clamp Nail and Process of Making Same | nails |
| 2,170,494 | Aug. 22, 1939 | A.H. Dall, H. Ernst | Grinding Machine | grinding machines |
| 2,170,502 | Aug. 22, 1939 | M.E. Martellotti | Machine Tool Transmission | metalworking variable speed mechanisms |
| 2,170,503 | Aug. 22, 1939 | H. Ernst, M.E. Martellotti | Milling Machine | milling machines |
| 2,170,510 | Aug. 22, 1939 | G.F. Heckman, W. Trible | Automatic Position Stop Mechanism for Machine Tools | grinding machines |
| 2,170,631 | Aug. 22, 1939 | S.A. Cogsdill | Bearingizing Tool | reamers |
