Pocket Watch Database
Patent Archive
#2555748
Patent Information
Metronomic Tempo Indicator
Friedrich Walter Koenigsberger
Walter Frederick Coningsby
June 5, 1951
Patent #2555748
| Patent Number: | 2555748 |
| Description: | Metronomic Tempo Indicator |
| Inventor(s): |
Friedrich Walter Koenigsberger Walter Frederick Coningsby |
| Assignee: | Man Phail Angus |
| Patent Date: | Jun 5, 1951 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
