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Inventor
PFISTER RALPH E
US
2 patents
⚠️ This page may combine multiple inventors who share the name “PFISTER RALPH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEST CO
1 patent
US4882210A
Nov 21, 1989
Glass container
WEST CO
60 citations
92
BARRIERGEN INC
1 patent
US4861658A
Aug 29, 1989
Hypoallergenic jewelry and method of making the same
BARRIERGEN INC
11 citations
62