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| All Patents in class 73/37.5 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 2,971,366 | Feb. 14, 1961 | E. Tomkow | Gage Calibration Device | |
| 3,182,488 | May 11, 1965 | A.R. Hollister | Fluid Gage Adjusting Unit | ||
| 3,238,766 | Mar. 08, 1966 | E.A. Hollis | Gaging Device | ||
| 3,527,092 | Sep. 08, 1970 | R.D. Bond | Air gauging three-dimensional objects | ||