EH

Ernest D. Hoffman

DC Dictaphone Corporation.: 1 patents #12 of 19Top 65%
📍 Stamford, CT: #26 of 87 inventorsTop 30%
🗺 Connecticut: #462 of 1,954 inventorsTop 25%
Overall (1989): #116,577 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817132 Multi-line access module for telephone set David B. Chamberlin, Nicholas A. D'Agosto, III 1989-03-28