DR

David James Ryan

AT AT&T: 3 patents #92 of 1,481Top 7%
📍 Westford, MA: #5 of 82 inventorsTop 7%
🗺 Massachusetts: #430 of 6,881 inventorsTop 7%
Overall (2003): #31,871 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6643281 Synchronization preamble method for OFDM waveforms in a communications system 2003-11-04
6639935 Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system David Gibbons, Robert Maxwell 2003-10-28
6621851 Priority messaging method for a discrete multitone spread spectrum communications system Brian G. Agee, Matthew C. Bromberg, Derek Gerlach, David Gibbons, James Timothy Golden +8 more 2003-09-16