Pocket Watch Database
Patent Archive
#2491453
Patent Information
Clock Soundproof
Max Knobel
December 13, 1949
Patent #2491453
| Patent Number: | 2491453 |
| Description: | Clock Soundproof |
| Inventor(s): | Max Knobel |
| Assignee: | Gilbert Clock Co William L |
| Patent Date: | Dec 13, 1949 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
