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| All Patents in class 116/DIG.47 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 506,703 | Oct. 17, 1893 | J.H. Lynch | Vernier Calipers | |
 | 1,440,824 | Jan. 02, 1923 | J.H. Fulmer | Micrometer Caliper | |
| 3,536,030 | Oct. 27, 1970 | W. Schroeder | Metric/Inch Converter | ||
| 4,058,080 | Nov. 15, 1977 | O. Hermann | English-Metric Dial Assembly | ||