Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653271 | Oil and oil filter collection and recycle apparatus | Gilbert B. Ross | 1997-08-05 |
| 5647414 | Curbside oil and oil filter recycle and collection apparatus and method | Gilbert B. Ross | 1997-07-15 |