Pocket Watch Database
Patent Archive
#253440
Patent Information
Watch Case Rubber
Gustav Speckhart
February 7, 1882
Patent #253440
| Patent Number: | 253440 |
| Description: | Watch Case Rubber |
| Inventor(s): | Gustav Speckhart |
| Patent Date: | Feb 7, 1882 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
