Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358037 | Float operated pneumatic pump | David H. Edwards, K. Lynn Niehaus | 1994-10-25 |
| 5358038 | Float operated pneumatic pump | David H. Edwards, K. Lynn Niehaus | 1994-10-25 |
| 5301749 | Dual pump floating layer recovery apparatus | David Fischer | 1994-04-12 |