Pocket Watch Database
Patent Archive
#727745
Patent Information
Time Stamp
Franz Adolf Egon Burda
May 12, 1903
Patent #727745
| Patent Number: | 727745 |
| Description: | Time Stamp |
| Inventor(s): | Franz Adolf Egon Burda |
| Patent Date: | May 12, 1903 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
