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| Patents for William Meyer | |||||
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| Number | Date | Patentee | Title | Type | |
| 925,115 | Jun. 15, 1909 | A. Loewenberg | Screw holding screwdriver | screwdriver blades | |
| 998,088 | Jul. 18, 1911 | W.F. Groene, H.C. Pierle | Hob-grinding attachment | cutter grinding machines | |