Pocket Watch Database
Patent Archive
#233249
Patent Information
Timepiece Railroad
David P. Hoyle
October 12, 1880
Patent #233249
| Patent Number: | 233249 |
| Description: | Timepiece Railroad |
| Inventor(s): | David P. Hoyle |
| Patent Date: | Oct 12, 1880 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
