Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865553 | Toilet flushing system installed in a toilet reservoir | Kurt H. Petersen | 2020-12-15 |
| 10473358 | Air duct sealing system for obstructing or directing airflow through portions of an air duct system | — | 2019-11-12 |
| 10370836 | Toilet flushing system installed in a toilet reservoir | Kurt H. Petersen | 2019-08-06 |
| 9557073 | Air duct sealing system for obstructing or directing airflow through portions of an air duct system | Kurt H. Petersen | 2017-01-31 |
| 9360230 | Air duct sealing system for obstructing or directing airflow through portions of an air duct system | — | 2016-06-07 |