Pocket Watch Database
Patent Archive
#52806
Patent Information
Guard Plate For Boilers
Andrew O'neill
February 20, 1866
Patent #52806
| Patent Number: | 52806 |
| Description: | Guard Plate For Boilers |
| Inventor(s): | Andrew O'neill |
| Patent Date: | Feb 20, 1866 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
