KY

Kou-I Yeh

IC Inventa Electronics Co.: 2 patents #2 of 2Top 100%
Overall (1989): #21,820 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4856056 Apparatus for timely controlling the sound characteristic of a signaling means of a voice communication device — 1989-08-08
4802208 Hot-line device for telephone sets — 1989-01-31