Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daryl E. Hartter — 3 Patents

Abbott: 3 patents #2,045 of 5,509Top 40%
Mundelein, IL: #204 of 550 inventorsTop 40%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Daryl E. Hartter has been granted 3 US patents while listed as an inventor at Abbott. The first was granted in 1995 and the most recent in March 1997. Daryl E. Hartter ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Daryl E. Hartter in Mundelein, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5614419 Reagents and methods for the quantification of amitriptyline or nortriptyline in biological fluids Maciej Adamczyk, Jeffrey R. Fishpaugh, Donald Johnson 1997-03-25 $103,673,000
5413911 Determination of tricyclic antidepressant drugs in the presence of interfering substances Maciej Adamczyk, Jeffrey R. Fishpaugh, Charles A. Harrington, Robert E. Hruska 1995-05-09 $169,437,000
5407835 Reagents and methods for the quantification of amitriptyline or nortriptyline in biological fluids Maciej Adamczyk, Jeffrey R. Fishpaugh, Donald Johnson 1995-04-18 $37,900,000