Powell, Ohio
United States
6
2009-07-16
The entities that hold a legal rights for patent applications filed by inventor Shaffer William V.:
William V. Shaffer from Powell, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Coupler for leaching chamber systems
#2 | 2007-12-11Pipe having a water-tight in-line bell
#3 | 2007-08-23Coupler for leaching chamber systems
#4 | 2007-01-09Adjustable angle coupler for leaching chamber systems
#5 | 2005-10-06Gasket
#6 | 2005-09-27Gasket
3988050 ⎘