Inventor
SCHOENENBERGER RAYMOND
FR4 patents
Patents
4 patentsUS4791803ADec 20, 1988
Die-change device for a multi-stage forming machine
HATEBUR UMFORMMASCHINEN AG23 citations73
US6286350B1Sep 11, 2001
Method for hot pressing of workpieces
HATEBUR UMFORMMASCHINEN AG8 citations68
US4227390AOct 14, 1980
Transfer mechanism for multiple punch presses
HATEBUR UMFORMMASCHINEN AG3 citations58
US4488420ADec 18, 1984
Process and appliance for feeding material to hot and semi-cold metal-working machines
HATEBUR UMFORMMASCHINEN AG3 citations57