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Patent Archive
#508530
Patent Information
Pendulum Mercurial Compensate
Sigmund Riefler
November 14, 1893
Patent #508530
| Patent Number: | 508530 |
| Description: | Pendulum Mercurial Compensate |
| Inventor(s): | Sigmund Riefler |
| Patent Date: | Nov 14, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
