Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499931 | Recycling vehicle | William L. Aldridge | 2002-12-31 |
| 5511687 | Waste collection and separation system | William L. Aldridge, Harry R. Elliott | 1996-04-30 |
| 5275522 | Waste collection and separation system | William L. Aldridge, Alvin D. Cathcart, David D. Cosgrove, Harry R. Elliott | 1994-01-04 |