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Robert B Logan — 2 Patents

PEPetrospec Engineering: 2 patents #2 of 6Top 35%
Edmonton, CA: #937 of 2,912 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert B Logan has been granted 2 US patents while listed as an inventor at Petrospec Engineering. The first was granted in 2007 and the most recent in July 2009. Robert B Logan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert B Logan in Edmonton, AB, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

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

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