Pocket Watch Database
Patent Archive
#3168803
Patent Information
Time Measure Instrument
Tatsuya Ishiwara
Koichi Ogawa
February 9, 1965
Patent #3168803
| Patent Number: | 3168803 |
| Description: | Time Measure Instrument |
| Inventor(s): |
Tatsuya Ishiwara Koichi Ogawa |
| Assignee: | Kabushiki Kaisha Daini Seikosh |
| Patent Date: | Feb 9, 1965 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
