Pocket Watch Database
Patent Archive
#2310706
Patent Information
Apparatus Compare Rate Regularly Impulse
Ernst Norrman
February 9, 1943
Patent #2310706
| Patent Number: | 2310706 |
| Description: | Apparatus Compare Rate Regularly Impulse |
| Inventor(s): | Ernst Norrman |
| Patent Date: | Feb 9, 1943 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
