Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8614156 | Textile fabric for the outer shell of a firefighter's garment | Diane B. Hess, Charles A. Thomas, Clifton A. Perry | 2013-12-24 |
| 8071492 | Textile fabric for the outer shell of a firefighter's garment | Diane B. Hess, Charles A. Thomas, Clifton A. Perry | 2011-12-06 |
| 6624096 | Textile fabric for the outer shell of a firefighters's garmet | Charles A. Thomas, Clifton A. Perry | 2003-09-23 |
| 4828178 | Method and apparatus for dispersing liquids or melts | Richard D. Rierson, Jr. | 1989-05-09 |
| 4628067 | Microporous polybenzimidazole particulates | Paul N. Chen, Sr. | 1986-12-09 |
| 4283186 | Method of forming cigarette filter material | Charles H. Keith | 1981-08-11 |
| 4274914 | Filter material | Charles H. Keith | 1981-06-23 |
| 4192838 | Process for producing filter material | Charles H. Keith | 1980-03-11 |