| Patents for Hans Fritschi |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 1,862,850 | Jun. 14, 1932 | H. Fritschi | Grinding Machinery |
| | 1,864,129 | Jun. 21, 1932 | H. Fritschi | Machine Tool Structure |
| | 1,874,491 | Aug. 30, 1932 | H. Fritschi | Grinding Machine |
| | 1,938,760 | Dec. 12, 1933 | H. Fritschi | Grinding Machine |
| | 1,938,761 | Dec. 12, 1933 | H. Fritschi | Machine Tool |
| | 1,938,764 | Dec. 12, 1933 | H. Fritschi, F.S. Haas | Grinding Machine |
| | 2,235,085 | Mar. 18, 1941 | H. Fritschi, E.G. Roehm | Milling Machine Transmission and Control Mechanism |
| | 2,239,625 | Apr. 22, 1941 | H. Fritschi, E.G. Roehm | Profile Milling Machine |
| | 2,489,227 | Nov. 22, 1949 | H. Fritschi, E.G. Roehm | Milling Machine |
| | 2,622,486 | Dec. 23, 1952 | H. Fritschi, E.G. Roehm | Spindle Transmission and Positioning Mechanism |
