Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780411 | Speed reduction power unit | — | 2023-10-10 |
| D395076 | Octagon sink | Stephanie Kay Polk | 1998-06-09 |
| D387148 | Contoured bath tub | Stephanie Kay Polk | 1997-12-02 |
| 4547284 | Coke production | Morgan C. Sze, Andre A. Simone, Dennis F. Ogren, Mikio Nakaniwa, Kenji Furukawa | 1985-10-15 |
| 4199434 | Feedstock treatment | Morgan C. Sze, Harold Unger | 1980-04-22 |