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Inventor

LANGLEY JOHN D

US14 patents
⚠️ This page may combine multiple inventors who share the name “LANGLEY JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAPPLER SAFETY GROUP

5 patents

KAPPLER INC

5 patents

(unassigned)

2 patents

KAPPLER SAFETY GROUP INC

1 patent

DU PONT

1 patent