| Patents for Robert A. Lehmkuhl |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 3,078,741 | Feb. 26, 1963 | R.A. Lehmkuhl, C.L. Reichert | Radial Drilling Machine | radial drill presses |
| 3,200,492 | Aug. 17, 1965 | R.A. Lehmkuhl | Multiple Use Machine With Tool Changer | tool changers and storage mechanisms |
| 3,281,934 | Nov. 01, 1966 | R.A. Lehmkuhl, J.A. Wohlfeil | Spindle oscillator for tool changer apparatus | milling machines |
| 3,332,142 | Jul. 25, 1967 | R.E. Reed, R.A. Lehmkuhl | Tool Holders | workpiece changers and storage mechanisms |
| 3,369,820 | Feb. 20, 1968 | R.E. Reed, R.A. Lehmkuhl | Power Chuck | milling machine accessories |
| 3,370,346 | Feb. 27, 1968 | R.E. Reed, R.A. Lehmkuhl | Mechanisms for Tool Changers | tool changers and storage mechanisms |
| 3,452,427 | Jul. 01, 1969 | R.E. Reed, R.A. Lehmkuhl | Mechanisms for Tool Changers | tool changers and storage mechanisms |
| 3,545,335 | Dec. 08, 1970 | R.A. Lehmkuhl | Spindle Clamp | metalworking machine mechanisms |
| 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 |
