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| Patents for Gibraltar Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,552,315 | May 08, 1951 | J. Gottlieb, L. Eickemeyer, C. Woessner | Self-starting synchronous electric motor | ||
| 2,638,068 | May 12, 1953 | L. Eickemeyer, C. Woessner, J. Gottlieb | Adjustable sewing machine feed | ||
| 2,704,560 | Mar. 22, 1955 | C. Woessner | Tilt arbor bench saw | tablesaws | |
| 2,835,995 | May 27, 1958 | L. Eickemeyer | Animated device | ||