| Patents for John C. Hollis |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,743,699 | May 01, 1956 | J.C. Hollis | Displacement Indicator | metalworking machine mechanisms |
| 2,822,180 | Feb. 04, 1958 | J.C. Hollis | Power Operated Chuck for Machine Tools | metalworking machine mechanisms |
| 2,831,361 | Apr. 22, 1958 | J.C. Hollis | Machine Tool Feed Transmission and Controls Therefor | tool changers and storage mechanisms |
| 2,848,908 | Aug. 26, 1958 | J.C. Hollis | Planetary Speed Change Transmission | metalworking power transmission |
| 2,888,843 | Jun. 02, 1959 | J.C. Hollis | Machine Tool Turret With Bidirectional Coupling | tool changers and storage mechanisms |
| 3,027,782 | Apr. 03, 1962 | J.C. Hollis | Machine Tool Transmission and Controls Therefor | metalworking power transmission |
| 3,200,921 | Aug. 17, 1965 | J.C. Hollis | Controls for Machine Tools | machine tool controls |
| 3,412,459 | Nov. 26, 1968 | J.C. Hollis | Automatic Tool Changing System | tool changers and storage mechanisms |
