Pocket Watch Database
Patent Archive
#1933647
Patent Information
Announce Device
Lawrie L. Witter
November 7, 1933
Patent #1933647
| Patent Number: | 1933647 |
| Description: | Announce Device |
| Inventor(s): | Lawrie L. Witter |
| Patent Date: | Nov 7, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
