| Patents for Abraham B. Landis | 
| Patents 16 - 
					30
					of 78 
       | 
| Number | Date | Patentee | Title | Type | 
| 544,439 | Aug. 13, 1895 | A.B. Landis | Grinding-machine | grinders | 
| 639,901 | Dec. 26, 1899 | A.B. Landis | Emery-wheel truer for grinding-machines | grinders | 
| 640,669 | Jan. 02, 1900 | A.B. Landis | Grinding-machine | grinders | 
| 644,929 | Mar. 06, 1900 | A.B. Landis | Foot-stock for grinding-machines | grinders | 
| 649,317 | May 08, 1900 | A.B. Landis | Grinding-machine | grinders | 
| 654,313 | Jul. 24, 1900 | A.B. Landis | Grinding-machine | grinders | 
| 654,314 | Jul. 24, 1900 | A.B. Landis | Grinding-machine | grinders | 
| 667,230 | Feb. 05, 1901 | A.B. Landis | Grinding-machine | grinders | 
| 690,300 | Dec. 31, 1901 | A.B. Landis | Cutter-head | screw machines | 
| 697,852 | Apr. 15, 1902 | A.B. Landis | Work-rest for grinding-machines |  | 
| 697,853 | Apr. 15, 1902 | A.B. Landis | Work-rest for grinding-machines |  | 
| 697,854 | Apr. 15, 1902 | A.B. Landis | Automatic work-rest for grinding-machines |  | 
| 700,663 | May 20, 1902 | A.B. Landis | Work-rest for grinding-machines | grinders | 
| 712,815 | Nov. 04, 1902 | A.B. Landis | Work-rest for grinding-machines | grinders | 
| 734,897 | Jul. 28, 1903 | A.B. Landis | Automatic grinding-machine | grinders |