RH

Raymond L. Helton

TE Tektronic: 1 patents #1 of 3Top 35%
📍 Beaverton, OR: #28 of 144 inventorsTop 20%
🗺 Oregon: #179 of 893 inventorsTop 25%
Overall (1989): #67,768 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4814049 Plating bath composition for copper-tin-zinc alloy Douglas W. Trobough, Marianne McPherson 1989-03-21