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| Patents for Gustavus H. Zschech | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 249,721 | Nov. 15, 1881 | G.H. Zschech | Saw-guide | |
 | 250,034 | Nov. 22, 1881 | G.H. Zschech | Head-block for saw-mills | |
 | 250,472 | Dec. 06, 1881 | G.H. Zschech | Wheel for saw-mill carriages | |
 | 262,551 | Aug. 08, 1882 | G.H. Zschech | Bearing for circular-saw shafts | |
 | 266,003 | Oct. 17, 1882 | G.H. Zschech | Saw-mill feed mechanism | |
 | 284,703 | Sep. 11, 1883 | G.H. Zschech | Belt-tightener | |
| 356,220 | Jan. 18, 1887 | G.H. Zschech | Saw-catcher for band-saw mills | ||