Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459747 | Weep hole insert | Lynne Patricia Oldfield | 2022-10-04 |
| 9903108 | Weep hole insert system | Lynne Patricia Oldfield | 2018-02-27 |
| 8171677 | Insert for a weep hole opening in a masonry wall | Lynne Patricia Oldfield | 2012-05-08 |
| 5052852 | Concrete keyed joints | Paul Connolly | 1991-10-01 |