Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Sutliff — 3 Patents

VTVtc: 3 patents #11 of 43Top 30%
Eagan, MN: #326 of 891 inventorsTop 40%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David E. Sutliff has been granted 3 US patents while listed as an inventor at Vtc. The first was granted in 1992 and the most recent in January 1994. David E. Sutliff ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David E. Sutliff in Eagan, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5278700 Differentiating amplifier responsive to track locations and variations of element values from desired values Jeffrey A. Gleason 1994-01-11 $1,413,000
5227737 Method and apparatus for adjusting the pole positions of a differentiating amplifier Jeffrey A. Gleason 1993-07-13 $2,000,000
5157559 Adjustable bandwidth differentiating amplifier for a magnetic disk drive Jefferey A. Gleason 1992-10-20 $1,295,000