Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert James Crook — 1 Patent

Pfizer: 1 patents #3,022 of 5,153Top 60%
Sandwich, GB: #79 of 150 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert James Crook has been granted 1 US patent while listed as an inventor at Pfizer. All of these patents were granted in 2001. Robert James Crook ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert James Crook in Sandwich, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6333326 Quinoxalinediones Alan Stobie, Elisabeth Colette Louise Gautier, David Waite 2001-12-25