Halle
Germany
2
2009-03-26
The entities that hold a legal rights for patent applications filed by inventor Spindler Herbert:
Herbert Spindler from Halle, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and device for producing nitrogen fertilizer, removing phosphate from organic waste products, and limiting the potassium concentration
#2 | 2007-03-22Method and device for producing nitrogen fertilizer from organic waste products
3908754 ⎘