Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875407 | Sterilizing method for treatment of fresh fruits and apparatus used for the method | — | 1989-10-24 |
| 4865857 | Sterlizing method for treatment of fresh fruits | — | 1989-09-12 |
| 4859345 | Bath water heater and circulator-purifier apparatus | — | 1989-08-22 |
| 4830190 | Heating and cooling lunch box with intake air opening | — | 1989-05-16 |