Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711727 | Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith | Kenneth B. Matthews, David E. Smith, Richard R. Davidson | 1987-12-08 |
| 4610801 | Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith | Kenneth B. Matthews, David E. Smith, Richard R. Davidson | 1986-09-09 |