Pocket Watch Database
Patent Archive
#663465
Patent Information
Clock Program
Friedrich Orthmann
Karl Puttkammer
December 11, 1900
Patent #663465
| Patent Number: | 663465 |
| Description: | Clock Program |
| Inventor(s): |
Friedrich Orthmann Karl Puttkammer |
| Patent Date: | Dec 11, 1900 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
