Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299525 | Kerosene heater | Kazuyoshi Irisawa | 1989-01-24 |
| D299526 | Kerosene heater | Takeo Yajima | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299525 | Kerosene heater | Kazuyoshi Irisawa | 1989-01-24 |
| D299526 | Kerosene heater | Takeo Yajima | 1989-01-24 |