P
PatentIndex
Search
Landscape
Sign in
Inventor
BARTHELS MANFRED
DE
2 patents
Patents
2 patents
US4134535A
Jan 16, 1979
Pressure relief valve for packing containers
HAG AG
162 citations
93
US4506072A
Mar 19, 1985
Regeneration of caffeine-loaded activated carbon with hot water
HAG AG
2 citations
53