Pocket Watch Database
Patent Archive
#3507111
Patent Information
Clock Magnetic Field
Kouichi Yoshimura
Masahiko Shioda
April 21, 1970
Patent #3507111
| Patent Number: | 3507111 |
| Description: | Clock Magnetic Field |
| Inventor(s): |
Kouichi Yoshimura Masahiko Shioda |
| Assignee: | Metsushita Electric Industrial |
| Patent Date: | Apr 21, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
