RH

R. Andrew Hatfield

🗺 Virginia: #200 of 1,067 inventorsTop 20%
Overall (1989): #68,213 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4812772 Spectrum analyzer and logarithmic amplifier therefor — 1989-03-14