Pocket Watch Database
Patent Archive
#2661590
Patent Information
Clock Master
Edward F. Geiger
Reynold B. Johnson
December 8, 1953
Patent #2661590
| Patent Number: | 2661590 |
| Description: | Clock Master |
| Inventor(s): |
Edward F. Geiger Reynold B. Johnson |
| Assignee: | Ibm Corp |
| Patent Date: | Dec 8, 1953 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
