Pocket Watch Database
Patent Archive
#2786326
Patent Information
Timepiece Alarm Sound Device
Helmut Junghans
Albert Letsche
March 26, 1957
Patent #2786326
| Patent Number: | 2786326 |
| Description: | Timepiece Alarm Sound Device |
| Inventor(s): |
Helmut Junghans Albert Letsche |
| Assignee: | Gebruder Junghans A G |
| Patent Date: | Mar 26, 1957 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
