Pocket Watch Database
Patent Archive
#1160898
Patent Information
Clock Calendar
Oscar Milton Humphreys
November 16, 1915
Patent #1160898
| Patent Number: | 1160898 |
| Description: | Clock Calendar |
| Inventor(s): | Oscar Milton Humphreys |
| Patent Date: | Nov 16, 1915 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
