Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357189 | Through-color printing | Leonard N. Ray, Jr. | 1982-11-02 |
| 4231743 | Process for shading during the vapor phase dyeing of carpet | Walter T. Bulson, Leonard N. Ray, Jr. | 1980-11-04 |
| 4181497 | Process for shading during the vapor phase dyeing of carpet | Walter T. Bulson, Leonard N. Ray, Jr. | 1980-01-01 |