Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33103 | Strainer | — | 1989-10-31 |
| 4866921 | Mowing apparatus | Keisuke Ishii | 1989-09-19 |
| 4847999 | Chain saw | — | 1989-07-18 |
| 4843718 | Automatic sharpener for chain saw | Junichi Akaike | 1989-07-04 |
| 4835868 | Saw chain tensioner of chain saw | — | 1989-06-06 |
| 4835866 | Device for mounting carburetor on internal combustion engine | — | 1989-06-06 |
| 4830212 | Working machine | Fujio Kobayashi | 1989-05-16 |
| 4819589 | Suction system for internal combustion engine | — | 1989-04-11 |
| 4813139 | Chain saw | — | 1989-03-21 |
| 4809438 | Rotary cutter and support | Fujio Sasaki | 1989-03-07 |