Pocket Watch Database
Patent Archive
#2020457
Patent Information
Time Announcer
Edward P. Cosgrove
November 12, 1935
Patent #2020457
| Patent Number: | 2020457 |
| Description: | Time Announcer |
| Inventor(s): | Edward P. Cosgrove |
| Patent Date: | Nov 12, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
