Pocket Watch Database
Patent Archive
#1989410
Patent Information
Clock Calendar
Harry Graham
January 29, 1935
Patent #1989410
| Patent Number: | 1989410 |
| Description: | Clock Calendar |
| Inventor(s): | Harry Graham |
| Patent Date: | Jan 29, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
