SH

Sin-Hwa Huang

RC Raymond Geddes & Company: 1 patents #2 of 11Top 20%
Overall (All Time): #2,229,133 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6267523 Ink pen refill with diversely colored gel ink layers and method of manufacture Edward John Poels 2001-07-31
D329302 Lighter 1992-09-08