EH

Ernest D. Hoffman

DC Dictaphone Corporation.: 1 patents #77 of 140Top 60%
📍 Stamford, CT: #854 of 1,447 inventorsTop 60%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #3,924,264 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

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