Patent Archive
#57510
Patent Information
Clock Calendar
Horton Henry B
August 28, 1866
Patent #57510
| Manufacturer: | |
| Patent Number: | 57510 |
| Category: | |
| Description: | Clock Calendar |
| Inventor(s): | Horton Henry B |
| Patent Date: | Aug 28, 1866 |
| Registration Type: | Patent |
| External Research: | https://www.google.com/patents... |
| Patent Document: |
