RB

Ray Blackham

HP HP: 1 patents #3,612 of 7,018Top 55%
📍 Marysville, WA: #142 of 270 inventorsTop 55%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,987,425 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4713782 Method and apparatus for measuring a transfer function — 1987-12-15