Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947502 | Rapidly erectable portable stage | Donald L. Kammerzell | 1999-09-07 |
| 5505645 | Floatable assembly for swimming pools | — | 1996-04-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947502 | Rapidly erectable portable stage | Donald L. Kammerzell | 1999-09-07 |
| 5505645 | Floatable assembly for swimming pools | — | 1996-04-09 |