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| All Patents in class 72/219 | |||||
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| Number | Date | Patentee | Title | Type | |
| 81,902 | Sep. 08, 1868 | G.W. Heckart | Improvement in fifth-wheel bender | wood bending machines | |
| 1,016,700 | Feb. 06, 1912 | A.L. McHugh | Coil-forming machine | electric motor making | |
| 2,266,912 | Dec. 23, 1941 | R.M. Shaw, Jr. | Device for Bending Structural Sections | metal bending machines | |
| 2,723,701 | Nov. 15, 1955 | R.M. Shaw, Jr. | Bending Machines | metal bending machines | |