JM

Jack B. MacDonald

SL Spectra Group Limited: 1 patents #9 of 12Top 75%
📍 Dedham, MA: #2 of 18 inventorsTop 15%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #100,005 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4864330 Method of forming a hot melt ink unit Linda T. Creagh, Charles W. Spehrley, Jr., Nathan P. Hine, Dean H. Cranston 1989-09-05