Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713084 | Alginate gel particle inks or dye liquors for imparting color to textiles | Walter J. Bohrn, Robert Drennan Lewis | 1987-12-15 |
| 4222740 | Coloration method for textiles | Walter J. Bohrn | 1980-09-16 |