Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311609 | Method of producing inorganic water-softening beads | Lloyd E. Williams | 1982-01-19 |
| 4288342 | Inorganic water-softening bead | Lloyd E. Williams | 1981-09-08 |
| 4230593 | Inorganic water-softening bead | Lloyd E. Williams | 1980-10-28 |