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USPTO Patent Rankings Data through Dec 31, 2025
Home › 2021 › General Motors › David Groll
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David Groll — 1 Patent in 2021

Murrysville, PA: #13 of 32 inventorsTop 45%
Pennsylvania: #2,483 of 7,685 inventorsTop 35%
Overall (2021): #484,770 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10980963 Cloth respiratory mask Ronnie E. Mahofski, Nadine Scandinaro, Eric S. Nachreiner 2021-04-20

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