| Patents for Abraham B. Landis |
Patents 31 -
45
of 78
      |
| Number | Date | Patentee | Title | Type |
| 771,077 | Sep. 27, 1904 | A.B. Landis | Change-speed gearing | industrial machine gearing |
| 771,078 | Sep. 27, 1904 | A.B. Landis | Shutter-fastener | |
| 771,079 | Sep. 27, 1904 | A.B. Landis | Work-rest for grinding-machines | grinders |
| 781,434 | Jan. 31, 1905 | A.B. Landis | Automatic sizing mechanism for grinding-machines | grinders |
| 785,258 | Mar. 21, 1905 | A.B. Landis | Grinding-machine | grinders |
| 805,210 | Nov. 21, 1905 | A.B. Landis | Shutter-fastener | |
| 855,320 | May 28, 1907 | A.B. Landis | Eccentric work-holder for grinding-machines | grinders |
| 861,738 | Jul. 30, 1907 | A.B. Landis | Grinding-machine | grinders |
| 861,739 | Jul. 30, 1907 | A.B. Landis | Grinding-machine | grinders |
| 879,276 | Feb. 18, 1908 | A.B. Landis | Grinding-machine | grinders |
| 879,277 | Feb. 18, 1908 | A.B. Landis | Grinding-machine | grinders |
| 883,649 | Mar. 31, 1908 | A.B. Landis | Grinding-machine | grinders |
| 883,650 | Mar. 31, 1908 | A.B. Landis | Grinding-wheel truer for grinding-machines | grinders |
| 921,717 | May 18, 1909 | A.B. Landis | Grinding-machine | grinders |
| 945,463 | Jan. 04, 1910 | A.B. Landis | Machine for grinding cutters and reamers | grinders |
