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Inventor
DURR HELMUT
2 patents
⚠️ This page may combine multiple inventors who share the name “DURR HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CASSELLA FARBWERKE MAINKUR AG
1 patent
US4039493A
Aug 2, 1977
Melamine-formaldehyde condensates and mixtures thereof
CASSELLA FARBWERKE MAINKUR AG
10 citations
70
UNION SPECIAL GMBH
1 patent
US4777893A
Oct 18, 1988
Presser foot assembly
UNION SPECIAL GMBH
9 citations
69