Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP7479 | Rose plant Korenpi | — | 1991-03-26 |
| PP6695 | Rose plant Korflapei | — | 1989-03-28 |
| PP6513 | Rose plant Kortexung | — | 1989-01-03 |
| PP6117 | Rose plant Korholst | Werner Kordes, Hermann Kordes | 1988-03-01 |
| PP5846 | Rose plant Korlingo | Werner Kordes, Hermann Kordes | 1987-01-06 |
| PP5678 | Rose plant Korperki | Werner Kordes, Hermann Kordes | 1986-03-04 |
| PP5679 | Rose plant Korenlo | Werner Kordes, Hermann Kordes | 1986-03-04 |
| PP5575 | Rose plant Korflug | Werner Kordes, Hermann Kordes | 1985-10-22 |
| PP5411 | Rose plant Korampa of the Floribunda class | — | 1985-03-05 |
| PP5157 | Hybrid grandiflora rose cv. Shreveport | — | 1983-12-13 |
| PP5012 | Rose plant--727 | — | 1983-03-29 |
| PP4798 | Rose plant--JP 435 | — | 1982-01-19 |
| PP4672 | Rose plant | — | 1981-03-17 |
| PP4658 | Rose plant | — | 1981-03-03 |