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USPTO Patent Rankings Data through Sept 30, 2025
Home › Anco Engineers › Frederick John Gray
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Frederick John Gray

AEAnco Engineers: 1 patents #4 of 9Top 45%
Calabasas, CA: #2,243 of 4,119 inventorsTop 55%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,910,217 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4952206 Occlusion apparatus for converting a syringe into a non-reversible single use syringe Paul Ibanez 1990-08-28

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