RN

Robin Nelson

SG Sub-Zero Group: 1 patents #28 of 57Top 50%
Overall (All Time): #1,209,529 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8959943 Ice agitator Murray Schukar, Jeff Siedschlag 2015-02-24
D565206 Roof anchor Jiri Krupka 2008-03-25
6453623 Roof snow barrier Jiri Krupka, Steven Paul Guenette, Dave Gerwing, Colin Fabian 2002-09-24
D397809 Snow guard Ian Cameron 1998-09-01