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| Patents for Walter Thoma | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,040,715 | Oct. 08, 1912 | H. Mann | Centering Device | center finders | |
| 1,066,414 | Jul. 01, 1913 | H.E. Gendre, G. Leich | Pneumatic tool | pneumatic tools | |