Pocket Watch Database
Patent Archive
#249536
Patent Information
Clock Calendar
Benjamin B. Lewis
November 15, 1881
Patent #249536
| Patent Number: | 249536 |
| Description: | Clock Calendar |
| Inventor(s): | Benjamin B. Lewis |
| Patent Date: | Nov 15, 1881 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
