IH

Ing F. Hwang

Overall (All Time): #1,641,560 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5839892 Electronic lighter with a safety device — 1998-11-24
5547370 Safety striker wheel assembly for gas lighters — 1996-08-20
5494436 Gas lighter with a safety knob — 1996-02-27