DP

David A. Pierce

CA Celwise Ab: 8 patents #1 of 3Top 35%
IBM: 6 patents #16,453 of 70,183Top 25%
LS Lattice Semiconductor: 5 patents #107 of 544Top 20%
AT AT&T: 2 patents #7,280 of 18,772Top 40%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
CS Communications Systems: 1 patents #67 of 159Top 45%
📍 Norrköping, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #140,651 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4780870 Packet switch Christopher G. McHarg 1988-10-25
4751697 Distributed packet switching sytem Paul D. Hunter, James M. Johnson, Jr., Christopher G. McHarg, Thomas Starr, Benjamin Widrevitz +2 more 1988-06-14