Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4261925 | Surfactants | Donald A. Tomalia | 1981-04-14 |
| 4220550 | Composition and method for removing sulfide-containing scale from metal surfaces | Wayne W. Frenier, Michael D. Coffey, Donald C. Smith | 1980-09-02 |