| Patents for Albert H. Dall |
Patents 1 -
15
of 44
      |
| Number | Date | Patentee | Title | Type |
| 1,952,423 | Mar. 27, 1934 | H. Ernst, A.H. Dall | Grinding Machine | grinding machines |
| 1,954,442 | Apr. 10, 1934 | H. Ernst, A.H. Dall | Grinding Machine | grinding machines |
| 1,961,514 | Jun. 05, 1934 | A.H. Dall, H. Ernst | Automatic Lubricator | metalworking machine lubrication |
| 1,989,611 | Jan. 29, 1935 | B. Sassen, A.H. Dall | Wave Screw | metalworking power transmission |
| 1,993,831 | Mar. 12, 1935 | A.H. Dall | Apparatus for Producing Surfaces of Revolution Eccentric to One Another | grinding machines |
| 2,142,021 | Dec. 27, 1938 | A.H. Dall, H. Ernst | Automatic Dynamic Balancer for Machine Tools | grinding machines |
| 2,160,777 | May 30, 1939 | H. Ernst, A.H. Dall | Journal Bearing | grinding machines |
| 2,160,778 | May 30, 1939 | H. Ernst, A.H. Dall | Bearing | grinding machines |
| 2,170,494 | Aug. 22, 1939 | A.H. Dall, H. Ernst | Grinding Machine | grinding machines |
| 2,171,208 | Aug. 29, 1939 | F.S. Haas, A.H. Dall | High Speed Spindle Construction | grinding machines |
| 2,178,850 | Nov. 07, 1939 | A.H. Dall | Spindle Oscillator | grinding machines |
| 2,197,538 | Apr. 16, 1940 | G.W. Binns, A.H. Dall | Metal Finishing Machine | grinding machines |
| 2,209,307 | Jul. 30, 1940 | F. Esz, A.H. Dall | Surface Finishing Machine | grinding machines |
| 2,241,637 | May 13, 1941 | A.H. Dall, H. Ernst | Dynamic Balancing Mechanism for Machine Tools | grinding machines |
| 2,257,452 | Sep. 30, 1941 | G.W. Binns, A.H. Dall | Metal Finishing | grinding machines |
