Essen
Germany
4
2009-09-03
The entities that hold a legal rights for patent applications filed by inventor Wentzel Detlef Andreas:
Detlef Andreas Wentzel from Essen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Resin composition comprising waste of resin impregnated material
#2 | 2008-11-13Method of Manufacture of Direct Pressure Laminates
#3 | 2007-08-30Method For Producing A Layered Material And A Layered Material
#4 | 2006-11-16Resin composition comprising waste of resin impregnated material
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