Pocket Watch Database
Patent Archive
#1028794
Patent Information
Balance Wheel
Michael Sporleder
William Sporleder
June 4, 1912
Patent #1028794
| Patent Number: | 1028794 |
| Description: | Balance Wheel |
| Inventor(s): |
Michael Sporleder William Sporleder |
| Patent Date: | Jun 4, 1912 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
