| Patents for Charles E. Foster |
Patents 1 -
15
of 27
      |
| Number | Title | Classification(s) |
| 29,680 | Machine for grinding saw-blades | 451/184, 451/449 |
| 29,772 | Improved machine for setting saw teeth | 76/62, 76/77 |
| 34,410 | Corn Sheller | 460/47 |
| 42,426 | Improved apparatus for molding pulleys | 164/220 |
| 45,980 | Improvement in Attaching Handles to Crosscut -Saws | 30/521 |
| 47,187 | Saw set | 76/64 |
| 47,806 | Improved saw-setting machine | 76/62, 76/77 |
| 51,633 | Improvement in mitering machines | 83/765 |
| 52,173 | Spill Plane | 30/480 |
| 55,375 | Improvement in saws | 74/460, 83/845 |
| 56,057 | Leg Vise | 269/239, 269/240 |
| 63,025 | Improvement in Buck-saw Frames | 30/506 |
| 63,486 | Improvement in saws | 83/841 |
| 64,953 | Improvement in saws | 83/840 |
| 64,954 | Improved Process of Treating Steel Blades | 29/90.01, 72/364, 76/112 |
