Pocket Watch Database
Patent Archive
#423411
Patent Information
Clock Level
James R. Broadstreet
March 18, 1890
Patent #423411
| Patent Number: | 423411 |
| Description: | Clock Level |
| Inventor(s): | James R. Broadstreet |
| Patent Date: | Mar 18, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
