Pocket Watch Database
Patent Archive
#520836
Patent Information
Automatic Gas Light & Extinguish Appart
Ai B. Shaw
Nathaniel H. Shaw
June 5, 1894
Patent #520836
| Patent Number: | 520836 |
| Description: | Automatic Gas Light & Extinguish Appart |
| Inventor(s): |
Ai B. Shaw Nathaniel H. Shaw |
| Assignee: | New England Automatic Gas Ligh |
| Patent Date: | Jun 5, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
