DW

David Wiebe-Neufeldt

HE Haul-All Equipment: 3 patents #3 of 11Top 30%
📍 Lethbridge, CA: #25 of 172 inventorsTop 15%
Overall (All Time): #1,522,321 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9115911 Direct-fired ductable heater Sergiu Desi-Seulean, Jerry Ejdrygiewicz 2015-08-25
8376733 Burner for heater Sergiu Desi-Seulean 2013-02-19
8011360 Vented, gas-fired air heater Sergiu Desi-Seulean 2011-09-06