Pocket Watch Database
Patent Archive
#771474
Patent Information
Clock & Circuit Control
Thomas Darlington Ingram
October 4, 1904
Patent #771474
| Patent Number: | 771474 |
| Description: | Clock & Circuit Control |
| Inventor(s): | Thomas Darlington Ingram |
| Patent Date: | Oct 4, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
