Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251761 | Method of collecting recyclable materials | David L. Hansen | 1993-10-12 |
| 5072833 | Method of collecting recyclable materials | David L. Hansen | 1991-12-17 |
| 4740127 | Solid fuel boiler/incinerator fuel feeder | Russell J. Galgana, Gordon L. Sutin | 1988-04-26 |
| 4715763 | Dry ash removal system | Russell J. Galgana, Gordon L. Sutin | 1987-12-29 |
| 4669397 | Recovery of useful materials from refuse fuel ash | Russell J. Galgana, Gordon L. Sutin, Michael James McNerney | 1987-06-02 |