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| Patents for John L. Bower | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 2,875,524 | Mar. 03, 1959 | W.R. Abbott, J.L. Bower | Magnetic Gauge | |
| 2,946,646 | Jul. 26, 1960 | T.E. Curtis, J.L. Bower | Machine Tool Cutting Time Indicator | ||
![]() | 2,993,279 | Jul. 25, 1961 | J.L. Bower | Photoelectric Gage | |