Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645379 | Material flow and air-quality protection, in a particulate-material gun usable with silica fume | David J. Stoner, Steven L. Lang, Paul E. Sulman, David C. Lawrence, Richard Ellis | 1997-07-08 |