Inventor

LIEBSCH RUDOLF

DE3 patents

Patents

3 patents

US9738961B2Aug 22, 2017

Copper-nickel-zinc alloy containing silicon

WIELAND-WERKE AG1 citations47

US9617629B2Apr 11, 2017

Copper-nickel-zinc alloy containing silicon

WIELAND-WERKE AG1 citations47

US9637808B2May 2, 2017

Refill for a ball-point pen and use thereof

WIELAND-WERKE AG1 citations40