AH

Alexander Mark Hellawell

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
TC The H.D. Lee Company: 1 patents #11 of 26Top 45%
Overall (All Time): #1,894,836 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11208559 Modified indigo compounds and methods of dyeing a substrate using a modified indigo compound Sudhakar Puvvada, Dennis Scheer, Paul Hoertz, Amsarani Ramamoorthy, Rajeev Rajbhandari +4 more 2021-12-28
10160927 Lubricating oil composition Robert S. Wilkinson, Alexander Peter Dirk Massely, Robert Moir, Stuart Browning, Richard Bown +1 more 2018-12-25