DS

David A. Spicer

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,672,399 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4763317 Digital communication network architecture for providing universal information services Harvey R. Lehman, William P. Lidinsky, Harry Edward Mussman, David Vlack 1988-08-09
4720850 Communication system control arrangement Lewis B. Oberlander, Ralph V. Straubs 1988-01-19
4713806 Communication system control arrangement Lewis B. Oberlander, Ralph V. Straubs 1987-12-15