RD

Roger A. Dumschott

DC Dictaphone Corporation.: 2 patents #57 of 140Top 45%
📍 Watertown, CT: #60 of 149 inventorsTop 45%
🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,146,042 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7366767 Dictation system employing computer-to-computer transmission of voice files controlled by hand microphone John Sheffield, Betsy Hipp, Vincent F. Antezzo, Frederic Schneider, Donald J. Martin 2008-04-29
6697841 Dictation system employing computer-to-computer transmission of voice files controlled by hand microphone John Sheffield, Betsy Hipp, Vincent F. Antezzo, Frederic Schneider, Donald J. Martin 2004-02-24