Pocket Watch Database
Patent Archive
#3435611
Patent Information
Watch Bearing
Yoshiyuki Hirose
Susumu Hanaoka
April 1, 1969
Patent #3435611
| Patent Number: | 3435611 |
| Description: | Watch Bearing |
| Inventor(s): |
Yoshiyuki Hirose Susumu Hanaoka |
| Assignee: | Kabushiki Kaisha Daini Seikosh |
| Patent Date: | Apr 1, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
