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USPTO Patent Rankings Data through Dec 31, 2025
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Roger W. Blethen — 4 Patents

LTLtx: 4 patents #10 of 50Top 20%
Dover, MA: #61 of 199 inventorsTop 35%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Roger W. Blethen has been granted 4 US patents while listed as an inventor at Ltx. The first was granted in 2002 and the most recent in March 2007. Roger W. Blethen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Roger W. Blethen in Dover, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7191368 Single platform electronic tester Donald V. Organ, Kenneth J. Lanier, H. Neil Kelly, Michael G. Davis, Jeffrey H. Perkins +8 more 2007-03-13 $4,475,000
7092837 Single platform electronic tester Kenneth J. Lanier, H. Neil Kelly, Michael G. Davis, Jeffrey H. Perkins, Tommie Edward Berry +7 more 2006-08-15 $4,510,000
6675339 Single platform electronic tester Kenneth J. Lanier, H. Neil Kelly, Michael G. Davis, Jeffrey H. Perkins, Tommie Edward Berry +7 more 2004-01-06 $13,220,000
6449741 Single platform electronic tester Donald V. Organ, Kenneth J. Lanier, H. Neil Kelly, Michael G. Davis, Jeffrey H. Perkins +8 more 2002-09-10 $6,505,000