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Robert Jon Longo

Colfax, CA: #1 of 4 inventorsTop 25%
California: #27,826 of 68,989 inventorsTop 45%
Overall (2020): #296,498 of 565,922Top 55%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10639539 Golf practice board for improving golf swing — 2020-05-05

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Rongrong Long1
Ronald Bruce Long1