RH

Richard R. Helinski

HO Howtek: 1 patents #1 of 9Top 15%
📍 Hudson, NH: #3 of 11 inventorsTop 30%
🗺 New Hampshire: #88 of 409 inventorsTop 25%
Overall (1989): #65,947 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4870430 Solid ink delivery system Robert Daggett, Robert C. Howard, Mark W. Magee 1989-09-26