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| Patents for John J. Bishop | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,443,880 | Jun. 22, 1948 | E.M. Boat, J.J. Bishop, A.H. Emery, E.H. Aldeborgh | Dial Gauge for Measuring Small Bores | ||
| 2,587,099 | Feb. 26, 1952 | E.M. Boat, J.J. Bishop | Resilient Head for Dial Bore Gauges | ||
| 2,671,272 | Mar. 09, 1954 | J.J. Bishop | Dial Snap Gauge | ||
| 2,910,781 | Nov. 03, 1959 | J.J. Bishop | Dial Hole Gauge | bore gages | |
| 2,930,134 | Mar. 29, 1960 | J.J. Bishop | Bore Measuring Dial Gauge | bore gages | |