| Patents for Hans Fritschi |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 1,862,850 | Jun. 14, 1932 | H. Fritschi | Grinding Machinery | grinding machines |
| 1,864,129 | Jun. 21, 1932 | H. Fritschi | Machine Tool Structure | grinding machines |
| 1,874,491 | Aug. 30, 1932 | H. Fritschi | Grinding Machine | grinding machines |
| 1,938,760 | Dec. 12, 1933 | H. Fritschi | Grinding Machine | grinding machines |
| 1,938,761 | Dec. 12, 1933 | H. Fritschi | Machine Tool | metal straightening machines |
| 1,938,764 | Dec. 12, 1933 | H. Fritschi, F.S. Haas | Grinding Machine | grinding machines |
| 2,235,085 | Mar. 18, 1941 | H. Fritschi, E.G. Roehm | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,239,625 | Apr. 22, 1941 | H. Fritschi, E.G. Roehm | Profile Milling Machine | milling machines |
| 2,489,227 | Nov. 22, 1949 | H. Fritschi, E.G. Roehm | Milling Machine | milling machines |
| 2,622,486 | Dec. 23, 1952 | H. Fritschi, E.G. Roehm | Spindle Transmission and Positioning Mechanism | metalworking machine mechanisms |
| 2,633,061 | Mar. 31, 1953 | H. Fritschi, E.G. Roehm | Milling Machine Control Mechanism | milling machines |
| 2,706,892 | Apr. 26, 1955 | A.H. Dall, H. Fritschi | Tracer Control Circuit for Pattern Controlled Machines | profiling machines |
| 2,713,246 | Jul. 19, 1955 | H. Fritschi, A.H. Dall | Tracer Control Mechanism Having Independent Rate and Direction Control | profiling machines |
| 2,730,129 | Jan. 10, 1956 | H. Fritschi, A.H. Dall | Tracer Control Mechanism | |
| 2,747,469 | May 29, 1956 | H. Fritschi, H. Ernst | Cutter Position Compensating Mechanism for Profiling Machines | profiling machines |
