Pocket Watch Database
Patent Archive
#1423446
Patent Information
Timepiece Balance Staff
William H. H. Needy
July 18, 1922
Patent #1423446
| Patent Number: | 1423446 |
| Description: | Timepiece Balance Staff |
| Inventor(s): | William H. H. Needy |
| Patent Date: | Jul 18, 1922 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
