Pocket Watch Database
Patent Archive
#2737011
Patent Information
Metronome
Rudolf Wittner
March 6, 1956
Patent #2737011
| Patent Number: | 2737011 |
| Description: | Metronome |
| Inventor(s): | Rudolf Wittner |
| Patent Date: | Mar 6, 1956 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
