Duluth, Georgia
United States
7
2014-08-26
Kenneth R. Cornwall from Duluth, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Sleeve coupling
#2 | 2013-05-14Firestop drain assembly
#3 | 2012-06-05Firestop drain assembly
#4 | 2011-03-29Noise reduction system
#5 | 2010-10-12Sleeve coupling
#6 | 2005-07-14Drainage system
#7 | 2005-02-17Toilet flange assembly
4787569 ⎘