Pocket Watch Database
Patent Archive
#3129555
Patent Information
Timepiece Show The Day Of The Month
Pierre Mathys
April 21, 1964
Patent #3129555
| Patent Number: | 3129555 |
| Description: | Timepiece Show The Day Of The Month |
| Inventor(s): | Pierre Mathys |
| Assignee: | Holding Favre-leuba S A |
| Patent Date: | Apr 21, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
