Pocket Watch Database
Patent Archive
#2183062
Patent Information
Clock Alternate Current Direct Current
Frank Conrad
December 12, 1939
Patent #2183062
| Patent Number: | 2183062 |
| Description: | Clock Alternate Current Direct Current |
| Inventor(s): | Frank Conrad |
| Assignee: | Westinghouse Electric & Mfg Co |
| Patent Date: | Dec 12, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
