Drayton Valley
Canada
5
2016-06-09
The entities that hold a legal rights for patent applications filed by inventor Smith Dan S.:
Dan S. Smith from Drayton Valley, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Movable cable loop descent system
#2 | 2013-02-28Descent control device
#3 | 2012-12-20Movable cable loop descent system
#4 | 2011-05-19Single cable descent control device
#5 | 2009-06-25Descent control device
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