Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176902 | Colored cosmetic sticks of improved hardness | John R. Castro, John A. Szweda, Richard T. Rigg | 1993-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176902 | Colored cosmetic sticks of improved hardness | John R. Castro, John A. Szweda, Richard T. Rigg | 1993-01-05 |