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Frederick John Gray — 1 Patent

AEAnco Engineers: 1 patents #4 of 9Top 45%
Calabasas, CA: #2,257 of 4,119 inventorsTop 55%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Frederick John Gray has been granted 1 US patent while listed as an inventor at Anco Engineers. All of these patents were granted in 1990. Frederick John Gray ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frederick John Gray in Calabasas, CA, US.

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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