Pocket Watch Database
Patent Archive
#2475114
Patent Information
Metronome
Frank Torka
July 5, 1949
Patent #2475114
| Patent Number: | 2475114 |
| Description: | Metronome |
| Inventor(s): | Frank Torka |
| Assignee: | Terry Walter J |
| Patent Date: | Jul 5, 1949 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
