Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Esch — 3 Patents

GLGreer Laboratories: 3 patents #2 of 5Top 40%
Southport, NC: #7 of 22 inventorsTop 35%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert E. Esch has been granted 3 US patents while listed as an inventor at Greer Laboratories. The first was granted in 1997 and the most recent in May 2016. Robert E. Esch ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert E. Esch in Southport, NC, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9345761 Methods and compositions for dosing of allergens 2016-05-24
8491909 Methods and compositions for dosing of allergens 2013-07-23
5647371 Skin testing device loading method William I. White, John Albert Richardson 1997-07-15