Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500978 | Vacuum cleaner apparatus and disposable bag for same | — | 1996-03-26 |
| 4880713 | Releasable battery pack cap and holder | — | 1989-11-14 |
| RE33074 | Wet-dry vacuum cleaner | — | 1989-10-03 |
| 4821366 | Wet-dry vacuum cleaner | — | 1989-04-18 |
| D299062 | Hydro-massage appliance | H. Gerald Young, George J. Schimpf | 1988-12-20 |
| D299063 | Hydro massage appliance mat | H. Gerald Young, George J. Schimpf | 1988-12-20 |
| 4637221 | Mixing apparatus and method | — | 1987-01-20 |
| 4548054 | Mixing apparatus and method | — | 1985-10-22 |
| 4542557 | Wet-dry vacuum cleaner | — | 1985-09-24 |
| 4536914 | Wet-dry vacuum cleaner | — | 1985-08-27 |
| 4492550 | Extrusion apparatus | — | 1985-01-08 |
| 4303581 | Water dispersed primer-surfacer composition | Michael Yurcheshen, Roland W. Hight | 1981-12-01 |