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| Patents for Ira A. Blood | |||||
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| Number | Date | Patentee | Title | Type | |
| 842,169 | Jan. 29, 1907 | I.A. Blood | Spool gluing & assembling machine | spool or bobbin machines | |
| 862,535 | Aug. 06, 1907 | I.A. Blood | Bobbin-notching machine | specialty woodworking machines | |