Pocket Watch Database
Patent Archive
#551556
Patent Information
Clock Calendar
Collum Alfred Elmore Mc
December 17, 1895
Patent #551556
| Patent Number: | 551556 |
| Description: | Clock Calendar |
| Inventor(s): | Collum Alfred Elmore Mc |
| Patent Date: | Dec 17, 1895 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
