Pocket Watch Database
Patent Archive
#771505
Patent Information
Adding Machine
Charles Stahlberg
October 4, 1904
Patent #771505
| Patent Number: | 771505 |
| Description: | Adding Machine |
| Inventor(s): | Charles Stahlberg |
| Patent Date: | Oct 4, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
