Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8528262 | Gutter-locking gutter protection | James W. Horton, Russell Verbrugge, Robert J. Heilman, David Skelton | 2013-09-10 |
| 7861980 | Hanger for rain gutter device | Russell Verbrugge, David Skelton, Robert J. Heilman | 2011-01-04 |
| 6230468 | Foundation waterproofing system | — | 2001-05-15 |