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Inventor
JANTZI C EARL
US
2 patents
⚠️ This page may combine multiple inventors who share the name “JANTZI C EARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MYTECH SYSTEMS CORP
1 patent
US5438618A
Aug 1, 1995
Vocal frequency suppression apparatus and method
MYTECH SYSTEMS CORP
12 citations
64
JANTZI C EARL
1 patent
US4742542A
May 3, 1988
Telephone switch-hook actuator apparatus
JANTZI C EARL
4 citations
48