Pocket Watch Database
Patent Archive
#999779
Patent Information
Clock Pneumatic
Augustus L. Hahl
August 8, 1911
Patent #999779
| Patent Number: | 999779 |
| Description: | Clock Pneumatic |
| Inventor(s): | Augustus L. Hahl |
| Assignee: | Hahl Automatic Clock Co |
| Patent Date: | Aug 8, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
