NH

Ng Y. Hung

HC Helms-Man Industrial Co.: 1 patents #2 of 2Top 100%
Overall (All Time): #3,760,658 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5588882 Wall socket with twist lock prongs — 1996-12-31