Pocket Watch Database
Patent Archive
#1435642
Patent Information
Timepiece Main Spring Arbor
Ernest H. Horn
November 14, 1922
Patent #1435642
| Manufacturer: | Ingersoll Watch Co. |
| Patent Number: | 1435642 |
| Description: | Timepiece Main Spring Arbor |
| Inventor(s): | Ernest H. Horn |
| Assignee: | Waterbury Clock Co |
| Patent Date: | Nov 14, 1922 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
