HP

Hsiang L. Pai

📍 Markham, CA: #3 of 65 inventorsTop 5%
Overall (1989): #25,359 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4864143 Time-average radon daughters (WL) dosimeter for mines, indoor and environment survey — 1989-09-05
4861985 Time-averaged radon daughters (WL) dosimeter and method for surveys of indoor, outdoor and underground (MINE) contamination — 1989-08-29