Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870028 | Sprinkler system with a pre-action sprinkler head | David Ryan Groen | 2020-12-22 |
| 9993675 | Pre-action sprinkler head | David Ryan Groen | 2018-06-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870028 | Sprinkler system with a pre-action sprinkler head | David Ryan Groen | 2020-12-22 |
| 9993675 | Pre-action sprinkler head | David Ryan Groen | 2018-06-12 |