Pocket Watch Database
Patent Archive
#2543983
Patent Information
Clock Mech Calendar
John Ellis Ostline
March 6, 1951
Patent #2543983
| Patent Number: | 2543983 |
| Description: | Clock Mech Calendar |
| Inventor(s): | John Ellis Ostline |
| Assignee: | Electric Laboratories Inc |
| Patent Date: | Mar 6, 1951 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
