WC

Walter Chappas

📍 Raleigh, NC: #28 of 158 inventorsTop 20%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #46,031 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4864144 Color-matched, ambient-light visual comparator dosimeter William L. McLaughlin, Mohamed I. Al-Sheikhly, Mahnaz Farahani 1989-09-05