RS

Robert D. Sparling

DT Davidson Textron: 1 patents #2 of 20Top 10%
📍 Newmarket, NH: #2 of 4 inventorsTop 50%
🗺 New Hampshire: #88 of 409 inventorsTop 25%
Overall (1989): #60,993 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4877652 Washable mask process Gerard L. Vachon 1989-10-31