| Patents for Harry E. Luebkemann |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,930,168 | Mar. 29, 1960 | H.E. Luebkemann | Machine Tool Tailstock | cylindrical grinders |
| 3,012,553 | Dec. 12, 1961 | H.E. Luebkemann | Wheel Thinning Apparatus | grinder dressers |
| 3,127,758 | Apr. 07, 1964 | H.E. Luebkemann | Coupling for Precision Grinding Machine Apparatus | grinding machines |
| 3,130,525 | Apr. 28, 1964 | H.E. Luebkemann | Servo-Controlled Grinder Infeed Mechanism | cylindrical grinders |
| 3,141,267 | Jul. 21, 1964 | A.H. Dall, J. Decker, H.E. Luebkemann | Precision Grinding Machine | cylindrical grinders |
| 3,193,976 | Jul. 13, 1965 | H.E. Luebkemann | Machine Tool Feed System | grinding machines |
| 3,205,724 | Sep. 14, 1965 | H.E. Luebkemann | Releasable Overrunning Clutch | metalworking machine mechanisms |
| 3,274,843 | Sep. 27, 1966 | H.E. Luebkemann | Lathe Transmission Mechanism | metalworking machine mechanisms |
| 3,288,003 | Nov. 29, 1966 | H.E. Luebkemann | Lathe | metal lathes |
