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| Patents for Justin Carter Merrill | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,792,208 | May 14, 1957 | J.A. Roberts, J.C. Merrill | Control Provision for Recording Mechanism | scales and balances | |
| 3,180,573 | Apr. 27, 1965 | R.H. Damon, Jr., J.C. Merrill, B.C. Merrill | Recorder Mechanism Control Means | industrial recording apparatus | |