Pocket Watch Database
Patent Archive
#2419103
Patent Information
Hair Spring Assembly
Richard H. Whitehead
April 15, 1947
Patent #2419103
| Patent Number: | 2419103 |
| Description: | Hair Spring Assembly |
| Inventor(s): | Richard H. Whitehead |
| Patent Date: | Apr 15, 1947 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
