Pocket Watch Database
Patent Archive
#1261382
Patent Information
Musical Time & Rhythm Indicate Device
Samuel B. Grimson
April 2, 1918
Patent #1261382
| Patent Number: | 1261382 |
| Description: | Musical Time & Rhythm Indicate Device |
| Inventor(s): | Samuel B. Grimson |
| Patent Date: | Apr 2, 1918 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
