Robin Nelson — 4 Patents at Sub-Zero Group

Robin Nelson has been granted 4 US patents while listed as an inventor at Sub-Zero Group. The first was granted in 1998 and the most recent in February 2015. Robin Nelson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robin Nelson in Ottawa, ON, CA.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
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

Robin Nelson — 4 Patents

Issued Patents All Time

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