Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487826 | Material for building ventilation system | Jack Henderson | 2002-12-03 |
| 6256955 | Apparatus and method for debris-collecting in masonry cavity walls | Richard A. Lolley, James R. Keene | 2001-07-10 |