Pocket Watch Database
Patent Archive
#604297
Patent Information
Clock Time Zone & Calendar
John C. Burke
May 17, 1898
Patent #604297
| Patent Number: | 604297 |
| Description: | Clock Time Zone & Calendar |
| Inventor(s): | John C. Burke |
| Patent Date: | May 17, 1898 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
