Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36668 | Method of producing dyed nylon walk-off mats having improved washfastness, and mats produced thereby | Robert R. Hixson, David R. Kelly | 2000-04-25 |
| 5707469 | Method of producing dyed nylon walk-off mats having improved washfastness, and mats produced thereby | Robert R. Hixson, David R. Kelly | 1998-01-13 |
| 5447539 | Method of dyeing polypropylene fiber with more than one color | David R. Kelly, Robert R. Hixson | 1995-09-05 |
| 5445653 | Method of dyeing nylon to produce colorfast fiber which resists further dyeing | Robert R. Hixson, Randy J. Rawlston | 1995-08-29 |