Pocket Watch Database
Patent Archive
#2887551
Patent Information
Contact Spring Retainer
Harry S. Detwiler
May 19, 1959
Patent #2887551
Manufacturer: | Hamilton |
Patent Number: | 2887551 |
Description: | Contact Spring Retainer |
Inventor(s): | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | May 19, 1959 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |