Pocket Watch Database
Patent Archive
#2055231
Patent Information
Timepiece Electro Optical Test Device
Alfred Disteli
September 22, 1936
Patent #2055231
| Patent Number: | 2055231 |
| Description: | Timepiece Electro Optical Test Device |
| Inventor(s): | Alfred Disteli |
| Assignee: | Ernest Leitz Optische Werke G |
| Patent Date: | Sep 22, 1936 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
