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#862324
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Anton Englerth
August 6, 1907
Patent #862324
| Patent Number: | 862324 |
| Description: | Calculator |
| Inventor(s): | Anton Englerth |
| Patent Date: | Aug 6, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
