Pocket Watch Database
Patent Archive
#990459
Patent Information
Clock Work Device Self Act Leave Calendar
Ignaz Schwarz
April 25, 1911
Patent #990459
| Patent Number: | 990459 |
| Description: | Clock Work Device Self Act Leave Calendar |
| Inventor(s): | Ignaz Schwarz |
| Patent Date: | Apr 25, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
