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| Patents for John C. Norcross | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,343,576 | Sep. 26, 1967 | J.C. Norcross | Dead blow hammer head | ||
| 3,456,330 | Jul. 22, 1969 | J.C. Norcross | Method of making and assembling a dead-blow hammerhead | ||
| 3,506,520 | Apr. 14, 1970 | J.C. Norcross | Method of making and assembling a percussion head and handle joint | ||