Pocket Watch Database
Patent Archive
#3182440
Patent Information
Recorder Elapsed Time
Lars Harald Widegren
May 11, 1965
Patent #3182440
| Patent Number: | 3182440 |
| Description: | Recorder Elapsed Time |
| Inventor(s): | Lars Harald Widegren |
| Patent Date: | May 11, 1965 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
