Pocket Watch Database
Patent Archive
#116316
Patent Information
Watch Calendar
Alfred Courvoisier Ionais
June 27, 1871
Patent #116316
| Patent Number: | 116316 |
| Description: | Watch Calendar |
| Inventor(s): | Alfred Courvoisier Ionais |
| Patent Date: | Jun 27, 1871 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
