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| Patents for Ernest A. King | |||||
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| Number | Date | Patentee | Title | Type | |
| 869,851 | Oct. 29, 1907 | E.A. King | Bevel | bevels | |
| 876,720 | Jan. 14, 1908 | E.A. King | Level | wooden levels | |
| 919,883 | Apr. 27, 1909 | E.A. King | Square | try squares | |
| 1,241,399 | Sep. 25, 1917 | E.A. King | Level | wooden levels | |