Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695115 | Modular trash chute and room for multistory building | Michael Paul Bracken | 1997-12-09 |
| 5645172 | Separated waste collection control for multistory building | — | 1997-07-08 |
| 5568871 | Door and chute for separated waste control | — | 1996-10-29 |
| 5031829 | Separated waste collection system for multi-story building | — | 1991-07-16 |