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USPTO Patent Rankings Data through Sept 30, 2025
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David A. Black

RSRacing Strollers: 1 patents #1 of 1Top 100%
Heart's Delight-Islington, CA: #3 of 5 inventorsTop 60%
Overall (2002): #236,953 of 266,432Top 90%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6443467 Baby stroller with interchangeable front wheel support structures 2002-09-03