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| Patents for Theodore Gurlieb | |||||
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| Number | Date | Patentee | Title | Type | |
| 199,425 | Jan. 22, 1878 | E. Ericson | Centering Square & Protractor | protractors | |
| 591,348 | Oct. 05, 1897 | C.P. Fay | Calipers | calipers | |