RL

Robert B Logan

PE Petrospec Engineering: 2 patents #2 of 6Top 35%
Overall (All Time): #2,137,023 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7561776 Method of preventing hydrogen darkening of optic fibre Gerald Chalifoux 2009-07-14
7290601 Braided thermocouple cable bundle Gerald Chalifoux 2007-11-06