River Falls, Wisconsin
United States
5
2014-04-10
The entities that hold a legal rights for patent applications filed by inventor Keller Daniel:
Daniel Keller from River Falls, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Swing door
#2 | 2013-04-25Hydraulic cylinder control
#3 | 2011-08-04Hydraulic cylinder control
#4 | 2010-03-11SWING DOOR
#5 | 2005-09-15Hydraulic door opening mechanism and method of installing a bi-fold door
202484 ⎘