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| Patents for Merrick Thread Co. | |||||
| Number | Date | Patentee | Title | Type | |
| 244,940 | Jul. 26, 1881 | H.R. Sillman | Bobbin lathe | spool or bobbin machines | |
| 245,233 | Aug. 02, 1881 | H.R. Sillman | Bobbin lathe | spool or bobbin machines | |