| Patents for Carlton Machine Tool Co. |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 2,859,295 | Nov. 04, 1958 | M. Weidig | Zero Speed Mechanism | electric switches |
| 2,866,347 | Dec. 30, 1958 | M. Weidig | Preselect Mechanism | machine tool controls |
| 2,926,554 | Mar. 01, 1960 | M. Weidig | Hydraulic Spindle Balance | radial drill presses |
| 3,151,719 | Oct. 06, 1964 | M. Weidig | Hydraulic Mechanism | machine tool controls |
| 3,302,492 | Feb. 07, 1967 | M.L. Weidig | Sensing Device | machine tool controls |
| 3,339,122 | Aug. 29, 1967 | A.G. Sangster | Digital Positional Control | machine tool controls |
| 3,451,125 | Jun. 24, 1969 | R. Lehmkuhl | Automatic Tool Changer | workpiece changers and storage mechanisms |
| 3,545,335 | Dec. 08, 1970 | R.A. Lehmkuhl | Spindle Clamp | metalworking machine mechanisms |
| 3,568,566 | Mar. 09, 1971 | M. Weidig | Tool Spindle Mechanism | metalworking machine tool holders |
| 3,669,556 | Jun. 13, 1972 | R.A. Lehmkuhl | Automatic Machining Center | numerically controlled milling machines |
| 3,723,016 | Mar. 27, 1973 | R.A. Lehmkuhl | Spindle Depth Control | machine tool controls |
| 4,149,822 | Apr. 17, 1979 | R.A. Lehmkuhl | Headstock Balancing Arrangement for Machine Tools | horizontal boring mills |
