Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5387045 | Reservoir wand | — | 1995-02-07 |
| 5096335 | Polymer grid for supplemental roof and rib support of combustible underground openings | Kenneth W. Miller, William S. Shelton | 1992-03-17 |