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| Patents Granted on 1919-12-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-195,324 | Dec. 23, 1919 | R. Caughey | Chassis de Charrue | plows | |
| CA-195,381 | Dec. 23, 1919 | R.W. Day | Rope Machine | rope maker | |
| 1,326,138 | Dec. 23, 1919 | S.W. Putnam, III | Tool Mounting for Lathes | lathe tool holders and tool posts | |