Pocket Watch Database
Patent Archive
#852818
Patent Information
Time Stamp
August Boos
May 7, 1907
Patent #852818
| Patent Number: | 852818 |
| Description: | Time Stamp |
| Inventor(s): | August Boos |
| Assignee: | Ashley Frank M |
| Patent Date: | May 7, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
