Pocket Watch Database
Patent Archive
#402135
Patent Information
Machine Engrave & Chasing
April 30, 1889
Patent #402135
Manufacturer: | Dueber Watch Case Mfg Co |
Patent Number: | 402135 |
Description: | Machine Engrave & Chasing |
Inventor(s): | |
Assignee: | Dueber John C |
Patent Date: | Apr 30, 1889 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |