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| Patents for Theo. Tusch | |||||
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| Number | Date | Patentee | Title | Type | |
| 45,741 | Jan. 03, 1865 | A.M. Olds | Improvement in Lumber Measures | lumber rules | |
| 48,257 | Jun. 20, 1865 | C.E. Brown | Improvement in Calipers | calipers | |
| 49,802 | Sep. 05, 1865 | B.F. St. John | Improvement in Pendulum Levels | pendulum levels | |
| 50,173 | Sep. 26, 1865 | S.A. Shurtleff | Improvement in Dividers | dividers | |
| 52,579 | Feb. 13, 1866 | R. Ledig | Improvement in Spirit-Levels | inclinometers | |
| 61,799 | Feb. 05, 1867 | H.A. Boardman | Improvement in Calipers | calipers | |