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| Patents for William L. Deming | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,218,749 | Mar. 13, 1917 | W.L. Deming | Projectographoscope | ||
| 1,223,857 | Apr. 24, 1917 | W.L. Deming | Filing device | ||
| 1,261,778 | Apr. 09, 1918 | W.L. Deming | Rotary cleanser | ||
| 1,279,669 | Sep. 24, 1918 | W.L. Deming | Flagstaff-holder | ||
| 1,299,689 | Apr. 08, 1919 | W.L. Deming | Cash-recording device | ||