Pocket Watch Database
Patent Archive
#515697
Patent Information
Clock Spring Arbor Bearing
Fred Street
February 27, 1894
Patent #515697
| Patent Number: | 515697 |
| Description: | Clock Spring Arbor Bearing |
| Inventor(s): | Fred Street |
| Patent Date: | Feb 27, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
