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USPTO Patent Rankings Data through Dec 31, 2025
Home › 2021 › Ciena › Frederick Craig
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Frederick Craig — 1 Patent in 2021

Hutchinson, KS: #1 of 8 inventorsTop 15%
Kansas: #340 of 1,131 inventorsTop 35%
Overall (2021): #455,995 of 548,734Top 85%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11204209 Variable port multi-piston gas-delayed blowback system for firearm — 2021-12-21

Nearby-Ranked Inventors

Francy L. Crosby1
Francisco CRIADO DEL PINO1
Francisco Javier CRESPO MONTERO1
Francis Xavier Creighton1
Francis M. Creighton1
Frank F. Craig1
François Courvoisier1
Frank Coumans1
Frederic COTTON1