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| Patents for W. & L. E. Gurley | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,145,706 | Jul. 06, 1915 | E.D. Schulte | Computing Rule | lumber rules | |
| 2,363,877 | Nov. 28, 1944 | J.B. Sonderman, H.R. Larsen | Theodolite | ||