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USPTO Patent Rankings Data through Sept 30, 2025
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Virgil R. Brittain — 1 Patent

TLTrw Limited: 1 patents #979 of 2,166Top 50%
Mentor, OH: #417 of 709 inventorsTop 60%
Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,979,437 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4683936 Controlled solidification, method of distributing strengthening additives and maintaining a constant melt level Michael Cybulsky, Thomas S. Piwonka 1987-08-04