DT

Demetrios Troupes

IBM: 7 patents #14,640 of 70,183Top 25%
📍 Charlotte, NC: #604 of 4,868 inventorsTop 15%
🗺 North Carolina: #7,471 of 45,564 inventorsTop 20%
Overall (All Time): #768,667 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4978239 Temperature limiting apparatus and method for printer Randall W. Alexander 1990-12-18
4761085 Printer with enhanced bidirectional logic seeking for increased through-put Tim V. Angst 1988-08-02
4758103 Method and apparatus for quieting the operation of a dot matrix printer Tim V. Angst, Mark E. Bunke, Phuc Ky Do, Nicholas J. Krull, Carol E. Wyke 1988-07-19
4712102 Method and apparatus for displaying enlarged or enhanced dot matrix characters Randall W. Alexander 1987-12-08
4703323 Method and apparatus for displaying enhanced dot matrix characters Randall W. Alexander 1987-10-27
4619537 Ribbon feed with ink depletion compensation Phuc Ky Do, Carol E. Wyke, Barnes R. Kendrick, Jr., Dennis Hedrick 1986-10-28
4586835 Printer for printing characters in two alternative print qualities Randall W. Alexander 1986-05-06