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:  PDF