Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861968 | Foam insulated water heater and method of making same | — | 1989-08-29 |
| 4829983 | Burner mounting bracket | Mark Taylor | 1989-05-16 |
| 4808356 | Method for insulating a water heater | Robert J. Marcinkewicz | 1989-02-28 |