Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304105 | Spray-type, vacuum cleaner | Tom A. McAllister, John S. McAllister | 1989-10-17 |
| 4821364 | Fluid control valve | Tom A. McAllister, John S. McAllister | 1989-04-18 |
| 4821367 | Recovery chamber for spray-type vacuum cleaning apparatus | Tom A. McAllister, John S. McAllister | 1989-04-18 |