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| All Patents of Type: sine bars | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,231,185 | Jun. 26, 1917 | F. Muller | Sine Bar | sine bars | |
| 1,409,343 | Mar. 14, 1922 | S. Karasick | Sine Angle Plate | sine bars | |
| 2,447,889 | Aug. 24, 1948 | C. Adler | Sine Angle Plate | sine bars | |
| 2,756,508 | Jul. 31, 1956 | C.H. O'Grady, P.C. O'Grady | Combination Sine Bar and V Block | sine bars | |
| 3,423,885 | Jan. 28, 1969 | H.D. Crandall | Sine V Block | sine bars | |