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| Patents for C. E. Johansson, Inc. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | SE-17,017 | Jan. 30, 1904 | C.E. Johansson | Gauge Block Sets for Precision Measurement | |
 | 1,740,695 | Dec. 24, 1929 | C.E. Johansson | Gauge | |
 | 1,810,710 | Jun. 16, 1931 | C.E. Johansson | Gauge | |
 | 1,889,897 | Dec. 06, 1932 | C.E. Johansson | Surface plate | |
 | 1,991,854 | Feb. 19, 1935 | C.E. Johansson | Apparatus for demonstrating the adhesion of flat surfaces | |
 | 2,026,684 | Jan. 07, 1936 | C.E. Johansson | Demonstration apparatus | |