Johnstown, Ohio
United States
3
2014-06-12
The entities that hold a legal rights for patent applications filed by inventor Huff Roger Sam:
Roger Sam Huff from Johnstown, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Horizontal-axis hydrokinetic water turbine system with water pump
#2 | 2013-01-31Horizontal-axis hydrokinetic water turbine system
#3 | 2013-01-31Horizontal-axis hydrokinetic water turbine system
61652 ⎘