Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP11263 | Floribunda rose plant named `Devsmooth` | Stanley G. Marciel | 2000-03-07 |
| PP11223 | Floribunda rose plant named `Devrudi` | Stanley G. Marciel | 2000-02-15 |
| PP9833 | Hybrid tea rose variety named `Devcal` | Stanley G. Marciel | 1997-03-25 |
| PP9097 | Hybrid tea rose plant named Devpajaro | Stanley G. Marciel | 1995-04-04 |
| PP9038 | Hybrid tea rose plant named Devcico | Stanley G. Marciel | 1995-01-10 |
| PP8952 | Hybrid tea rose plant named Devstar | Stanley G. Marciel | 1994-10-25 |
| PP8931 | Hybrid tea rose plant named Devspilio | Stanley G. Marciel | 1994-10-11 |
| PP8616 | Grandiflora rose plant named Devunican | Stanley G. Marciel | 1994-03-01 |
| PP8505 | Hybrid tea rose plant named Devdorado | Stanley G. Marciel | 1993-12-21 |
| PP8506 | Hybrid tea rose plant named Devmomento | Stanley G. Marciel | 1993-12-21 |
| PP8351 | Hybrid tea rose plant named Devcarlos | Stanley G. Marciel | 1993-08-17 |
| PP8339 | Hybrid tea rose plant named Devfrago | Stanley G. Marciel | 1993-08-10 |