Pocket Watch Database
Patent Archive
#422654
Patent Information
Clock Program
Nathan H. Sure
March 4, 1890
Patent #422654
| Patent Number: | 422654 |
| Description: | Clock Program |
| Inventor(s): | Nathan H. Sure |
| Patent Date: | Mar 4, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
