Pocket Watch Database
Patent Archive
#920174
Patent Information
Time Stamp
George Elliot Perry
May 4, 1909
Patent #920174
| Patent Number: | 920174 |
| Description: | Time Stamp |
| Inventor(s): | George Elliot Perry |
| Assignee: | Stromberg Electric Mfg Co |
| Patent Date: | May 4, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
