Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973997 | Pollution containment apparatus for making a penetration in a ceiling or wall of a building or other structure | — | 2005-12-13 |
| 6474035 | Containment apparatus for removing windows and window frames | — | 2002-11-05 |
| 5685112 | Apparatus and method for removing structural parts of a building without contaminating adjacent areas | — | 1997-11-11 |
| 5457922 | Apparatus and method for removing structural parts of a building without contaminating adjacent areas | — | 1995-10-17 |