Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920927 | Low NOx burner | Jerry Ejdrygiewicz, David Neufeldt | 2018-03-20 |
| 9115911 | Direct-fired ductable heater | David Wiebe-Neufeldt, Jerry Ejdrygiewicz | 2015-08-25 |
| 8376733 | Burner for heater | David Wiebe-Neufeldt | 2013-02-19 |
| 8011360 | Vented, gas-fired air heater | David Wiebe-Neufeldt | 2011-09-06 |