Pocket Watch Database
Patent Archive
#813933
Patent Information
Recorder Barometric Etc
Adolf Abraham
February 27, 1906
Patent #813933
| Patent Number: | 813933 |
| Description: | Recorder Barometric Etc |
| Inventor(s): | Adolf Abraham |
| Patent Date: | Feb 27, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
