Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011145 | Segmented joint for masonry construction | P. Michael Collins | 2011-09-06 |
| D580260 | Masonry tie for cavity wall construction | P. Michael Collins | 2008-11-11 |
| 7421826 | Air circulation board for cavity wall construction | P. Michael Collins | 2008-09-09 |
| D563215 | Masonry tie for cavity wall construction | P. Michael Collins | 2008-03-04 |
| 6964136 | Flashing and weep apparatus for masonry wall window and door installations | P. Michael Collins | 2005-11-15 |