Rapid City, South Dakota
United States
4
2010-11-11
Lance Weaver from Rapid City, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for measuring HVAC efficiency
#2 | 2008-01-17Automatic self-centering duct robot
#3 | 2008-01-03Mass impact claw bar
#4 | 2008-01-03Apparatus for evenly applying liquids to interior surfaces
3691631 ⎘