Pocket Watch Database
Patent Archive
#3161013
Patent Information
Clock Electric Sound Deadening Case
Roland Siefert
December 15, 1964
Patent #3161013
| Patent Number: | 3161013 |
| Description: | Clock Electric Sound Deadening Case |
| Inventor(s): | Roland Siefert |
| Assignee: | Kienzle Uhrenfabriken |
| Patent Date: | Dec 15, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
