Robert Ferrence — 1 Patent at Schlumberger Technology

Robert Ferrence — 1 Patent

Schlumberger Technology: 1 patents #3,946 of 7,293Top 55%

Sugar Land, TX: #1,251 of 1,869 inventorsTop 70%

Texas: #74,151 of 125,132 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

Robert Ferrence has been granted 1 US patent while listed as an inventor at Schlumberger Technology. All of these patents were granted in 2008. Robert Ferrence ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert Ferrence in Sugar Land, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7409993	Weight spacer apparatus	Chenghua Han, Bennie Gill, Mark C. Duhon, Jerry D. Campbell, Ronald Lutz	2008-08-12	$125,714,000

Robert Ferrence — 1 Patent

Issued Patents All Time

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