HC

Henry V. Calcar

SO Shell Offshore: 1 patents #21 of 54Top 40%
HO Honeywell: 1 patents #7,507 of 14,447Top 55%
Overall (All Time): #3,873,948 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5006845 Gas kick detector Gary L. Marsh 1991-04-09