JD

John J. Dwyer

DC Dictaphone Corporation.: 3 patents #4 of 19Top 25%
📍 Randolph, MA: #1 of 5 inventorsTop 20%
🗺 Massachusetts: #90 of 2,831 inventorsTop 4%
Overall (1989): #9,601 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4858213 Display for modular dictation/transcription system Emil F. Jachmann, Mark N. Harris, Brian Beloin 1989-08-15
4817127 Modular dictation/transcription system David B. Chamberlin, Suzanne N. Grey, Emil F. Jachmann, Jeremy Saltzman 1989-03-28
4809116 Modular dictation/transcription system having plural recording modules and a common display David B. Chamberlin 1989-02-28