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| All Patents in class 144/5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,700,683 | Jan. 29, 1929 | S. Madsen | Double-end universal saw | circular crosscut saws | |
| 1,756,296 | Apr. 29, 1930 | S. Madsen | Window-frame machine | specialty woodworking machines | |
| 1,777,286 | Oct. 07, 1930 | G.W. Aldeen | Mortising machine | mortising machines | |
| 1,797,463 | Mar. 24, 1931 | C. Cederholm | Rotary woodworking cutter | cutterheads | |
| 1,854,445 | Apr. 19, 1932 | A.J. Calpha | Machine Tool | wood shapers | |