Pocket Watch Database
Patent Archive
#768511
Patent Information
Clock Contact Device Electric
Ragnar Carlstedt
Bernhard Gustafson
August 23, 1904
Patent #768511
| Patent Number: | 768511 |
| Description: | Clock Contact Device Electric |
| Inventor(s): |
Ragnar Carlstedt Bernhard Gustafson |
| Patent Date: | Aug 23, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
