Pocket Watch Database
Patent Archive
#424048
Patent Information
Watch Case Mfg
Sewall Thomas Jefferson Byam
March 25, 1890
Patent #424048
| Manufacturer: | Trenton Watch Co. |
| Patent Number: | 424048 |
| Description: | Watch Case Mfg |
| Inventor(s): | Sewall Thomas Jefferson Byam |
| Assignee: | Trenton Watch Co |
| Patent Date: | Mar 25, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
