Pocket Watch Database
Patent Archive
#1103551
Patent Information
Hair Spring Regulator
Henry Wachtelhausen
July 14, 1914
Patent #1103551
| Patent Number: | 1103551 |
| Description: | Hair Spring Regulator |
| Inventor(s): | Henry Wachtelhausen |
| Assignee: | Parker Clock Co |
| Patent Date: | Jul 14, 1914 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
