Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872831 | Kerosene heater providing automatic wick repositioning after ignition | Muneo Tao, Kuniaki Uchida | 1989-10-10 |
| 4847192 | Apparatus for finely raising and lowering a wick of a kerosene heater | Muneo Tao, Kuniaki Uchida | 1989-07-11 |
| 4834064 | Combustion apparatus | Tadashi Takashima | 1989-05-30 |