Pocket Watch Database
Patent Archive
#2880569
Patent Information
Clock Synch Motor Secondary
Willis A. Kropp
April 7, 1959
Patent #2880569
| Patent Number: | 2880569 |
| Description: | Clock Synch Motor Secondary |
| Inventor(s): | Willis A. Kropp |
| Assignee: | Ibm Corp |
| Patent Date: | Apr 7, 1959 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
