DC

David B. Chamberlin

DC Dictaphone Corporation.: 5 patents #2 of 19Top 15%
📍 Shelton, CT: #1 of 26 inventorsTop 4%
🗺 Connecticut: #21 of 1,954 inventorsTop 2%
Overall (1989): #3,066 of 140,708Top 3%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4860339 Programmable telephone/dictation terminal and method of operating same Nicholas A. D'Agosto, III, Jy-Hong Su, Emil F. Jachmann, Suzanne N. Grey 1989-08-22
4853952 Method and apparatus for visual indication of stored voice signals Emil F. Jachmann, Jeremy Saltzman 1989-08-01
4817127 Modular dictation/transcription system John J. Dwyer, Suzanne N. Grey, Emil F. Jachmann, Jeremy Saltzman 1989-03-28
4817132 Multi-line access module for telephone set Nicholas A. D'Agosto, III, Ernest D. Hoffman 1989-03-28
4809116 Modular dictation/transcription system having plural recording modules and a common display John J. Dwyer 1989-02-28