JD

John Duquette

CC Crathern Engineering Co.: 1 patents #1 of 1Top 100%
📍 Concord, NH: #1 of 10 inventorsTop 10%
🗺 New Hampshire: #88 of 409 inventorsTop 25%
Overall (1989): #95,742 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4865067 Fluid consistency regulating pump — 1989-09-12