JH

J. Lloyd Hargrove

📍 Vancouver, CA: #12 of 101 inventorsTop 15%
Overall (1989): #136,045 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4864297 Siren detector Brian Shaw 1989-09-05