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: |