Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Jeff Spencer — 4 Patents

CMCascade Microtech: 4 patents #42 of 118Top 40%
Vernonia, OR: #7 of 21 inventorsTop 35%
Oregon: #8,577 of 28,073 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Jeff Spencer has been granted 4 US patents while listed as an inventor at Cascade Microtech. The first was granted in 2004 and the most recent in January 2011. Jeff Spencer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Jeff Spencer in Vernonia, OR, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7876115 Chuck for holding a device under test Craig Stewart, Anthony Lord, Terry Burcham, Peter McCann, Rod Jones +3 more 2011-01-25 $630,000
7492172 Chuck for holding a device under test Craig Stewart, Anthony Lord, Terry Burcham, Peter McCann, Rod Jones +3 more 2009-02-17 $287,000
7368925 Probe station with two platens Peter Navratil, Brad Froemke, Craig Stewart, Anthony Lord, Scott Runbaugh +3 more 2008-05-06 $456,000
6777964 Probe station Peter Navratil, Brad Froemke, Craig Stewart, Anthony Lord, Scott Runbaugh +3 more 2004-08-17