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| Patents for William A. Kelsey | |||||
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| Number | Date | Patentee | Title | Type | |
| 413,522 | Oct. 22, 1889 | R. Atwater, W.A. Kelsey | Machine for Cutting and Mitering Printer's Rules | metal shearing machines | |
| 1,113,650 | Oct. 13, 1914 | W.A. Kelsey | Tool Holder | sharpening tool holders | |
| 1,498,283 | Jun. 17, 1924 | W.A. Kelsey | Dental Tool Holder | dental tools | |
| 1,925,808 | Sep. 05, 1933 | W.A. Kelsey | Dental Tool Holder | dental tools | |