Pocket Watch Database
Patent Archive
#477423
Patent Information
Clock Bicycle
Algernon S. Keyser
June 21, 1892
Patent #477423
| Patent Number: | 477423 |
| Description: | Clock Bicycle |
| Inventor(s): | Algernon S. Keyser |
| Patent Date: | Jun 21, 1892 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
