| Patents for Carl Edvard Johansson |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| SE-17,017 | Jan. 30, 1904 | C.E. Johansson | Gauge Block Sets for Precision Measurement | measuring tools |
| 1,431,583 | Oct. 10, 1922 | C.E. Johansson | Adjustment Device for the Measuring Spindles of Micrometers, Measuring Machine, and the Like | micrometers |
| 1,740,695 | Dec. 24, 1929 | C.E. Johansson | Gauge | inside micrometers |
| 1,810,710 | Jun. 16, 1931 | C.E. Johansson | Gauge | inside micrometers |
| 1,889,897 | Dec. 06, 1932 | C.E. Johansson | Surface plate | surface plates |
| 1,991,854 | Feb. 19, 1935 | C.E. Johansson | Apparatus for demonstrating the adhesion of flat surfaces | measuring tools |
| 2,026,684 | Jan. 07, 1936 | C.E. Johansson | Demonstration apparatus | |
