Inventor

SEVERIJNS ADRIANUS PETRUS

3 patents

Patents

3 patents

US5301418AApr 12, 1994

Method of manufacturing a magnetic head

PHILIPS CORP51 citations86

US3978682ASep 7, 1976

Refrigeration method and apparatus by converting 4 He to A superfluid

PHILIPS CORP6 citations52

US4047394ASep 13, 1977

3 He-4 He dilution refrigerating machine

PHILIPS CORP3 citations51