Pocket Watch Database
Patent Archive
#1785121
Patent Information
Clock Graphophone
John H. Holloway
December 16, 1930
Patent #1785121
Patent Number: | 1785121 |
Description: | Clock Graphophone |
Inventor(s): | John H. Holloway |
Patent Date: | Dec 16, 1930 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |