Worms
Germany
4
2013-01-17
The entities that hold a legal rights for patent applications filed by inventor Hemel Ralf:
Ralf Hemel from Worms, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for producing paper, paperboard and cardboard
#2 | 2007-08-09Method for producing paper, paperboard and cardboard
#3 | 2005-11-10Production of paper, board and cardboard
#4 | 2005-03-24Production of paper board and cardboard
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