Erkelenz
Germany
4
2012-04-26
The entities that hold a legal rights for patent applications filed by inventor Risters Frank:
Frank Risters from Erkelenz, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Roller burnishing machine for crankshafts
#2 | 2008-09-04Deep Rolling Head
#3 | 2008-08-21Procedure for deep rolling crankshafts
#4 | 2008-08-07Deep rolling roller head for split-pin crankshafts
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