Pocket Watch Database
Patent Archive
#947981
Patent Information
Timer Electric Circuit
Philip K. Stern
February 1, 1910
Patent #947981
| Patent Number: | 947981 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Philip K. Stern |
| Assignee: | General Electric Co |
| Patent Date: | Feb 1, 1910 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
