Pocket Watch Database
Patent Archive
#477049
Patent Information
Clock Synch Electric
Laney James W. Du
Laney Charles F. Du
June 14, 1892
Patent #477049
Patent Number: | 477049 |
Description: | Clock Synch Electric |
Inventor(s): |
Laney James W. Du Laney Charles F. Du |
Patent Date: | Jun 14, 1892 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |