Pocket Watch Database
Patent Archive
#1814679
Patent Information
Clock Auto Elapsed Time
Frank M. Fichten
July 14, 1931
Patent #1814679
| Patent Number: | 1814679 |
| Description: | Clock Auto Elapsed Time |
| Inventor(s): | Frank M. Fichten |
| Patent Date: | Jul 14, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
