Pocket Watch Database
Patent Archive
#2222032
Patent Information
Metronome
Bert Williams
Sidney C. Howard
November 19, 1940
Patent #2222032
| Patent Number: | 2222032 |
| Description: | Metronome |
| Inventor(s): |
Bert Williams Sidney C. Howard |
| Patent Date: | Nov 19, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
