Pocket Watch Database
Patent Archive
#2538311
Patent Information
Multiple Check Comparator Gauge
Douglass Jr Hawks
Haaften Egbert Van
January 16, 1951
Patent #2538311
Manufacturer: | Hamilton |
Patent Number: | 2538311 |
Description: | Multiple Check Comparator Gauge |
Inventor(s): |
Douglass Jr Hawks Haaften Egbert Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 16, 1951 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |