Pocket Watch Database
Patent Archive
#381214
Patent Information
Machine Engraving & Chasing
John A. Coburn
April 17, 1888
Patent #381214
| Manufacturer: | Dueber Watch Case Mfg Co |
| Patent Number: | 381214 |
| Description: | Machine Engraving & Chasing |
| Inventor(s): | John A. Coburn |
| Assignee: | Dueber John C |
| Patent Date: | Apr 17, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
