RL

Robert Ledingham

Overall (All Time): #2,156,455 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7263518 Database architecture for an air traffic information system Keith Penny, Roman Zak, Jeff Zanin, Howard Aikins 2007-08-28
7203596 Air traffic information display system Keith Penny, Roman Zak, Jaff Zanin, Howard Aikins 2007-04-10