CH

Cleon L. Hennen

SP Sperry: 1 patents #355 of 841Top 45%
UN Unisys: 1 patents #1,020 of 2,015Top 55%
📍 Burnsville, MN: #271 of 632 inventorsTop 45%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,337,212 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4749884 Low power, high level driver Steven H. Karban 1988-06-07
4376874 Real time speech compaction/relay with silence detection Steven H. Karban, James V. Drexler 1983-03-15