Pocket Watch Database
Patent Archive
#2624170
Patent Information
Secondary Timekeeping Apparatus
Alfred B. Benson
January 6, 1953
Patent #2624170
| Patent Number: | 2624170 |
| Description: | Secondary Timekeeping Apparatus |
| Inventor(s): | Alfred B. Benson |
| Assignee: | Ibm Corp |
| Patent Date: | Jan 6, 1953 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
