Pocket Watch Database
Patent Archive
#1785231
Patent Information
Clock Metal Base Nickel
John O. Simpson
December 16, 1930
Patent #1785231
| Patent Number: | 1785231 |
| Description: | Clock Metal Base Nickel |
| Inventor(s): | John O. Simpson |
| Assignee: | E Ingraham Co |
| Patent Date: | Dec 16, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
