Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428831 | Stepped leading edge fan blade | Darrin Niemiec, James C. Muth, William J. Carlson | 2019-10-01 |
| D853553 | Fan blade | Darrin Niemiec, James C. Muth, William J. Carlson | 2019-07-09 |
| D852943 | Fan blade | Darrin Niemiec, James C. Muth, William J. Carlson | 2019-07-02 |
| D852944 | Fan blade | Darrin Niemiec, James C. Muth, William J. Carlson | 2019-07-02 |
| 10273964 | Stepped-louvre heating, ventilating and air conditioning unit used in high-velocity, low speed fan | Darrin Niemiec, James C. Muth, William J. Carlson, Jeffrey William Buske | 2019-04-30 |