Pocket Watch Database
Patent Archive
#638160
Patent Information
Clock Electric
Hjalmar Emanuel Andersson
November 28, 1899
Patent #638160
| Patent Number: | 638160 |
| Description: | Clock Electric |
| Inventor(s): | Hjalmar Emanuel Andersson |
| Patent Date: | Nov 28, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
