JM

Joseph Marquis

📍 Londonderry, NH: #1 of 7 inventorsTop 15%
🗺 New Hampshire: #88 of 409 inventorsTop 25%
Overall (1989): #94,158 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845646 Handheld digital gemstone measurement apparatus Philip R. Lichtman 1989-07-04