WI

William Henry Keehn, II

NO Norand: 3 patents #43 of 82Top 55%
📍 Cedar Rapids, IA: #396 of 1,358 inventorsTop 30%
🗺 Iowa: #3,757 of 15,303 inventorsTop 25%
Overall (All Time): #1,284,929 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5818553 Contrast control for a backlit LCD Steven E. Koenck 1998-10-06
5798610 Efficient electroluminescent backlight Steven E. Koenck 1998-08-25
5714812 Combined energy and data storage system Steven E. Koenck 1998-02-03
5630090 Apparatus for and methods of providing a safe-stop mode for a microprocessor operating in a PSRAM-memory environment Robert B. Jaeger 1997-05-13