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Francis M. Andries

📍 Tomball, TX: #272 of 577 inventorsTop 50%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,314,313 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4991581 Acoustic processing apparatus — 1991-02-12
D262165 Combined chair and audio-visual learning module Carol A. Andries, Dennis L. Christiansen 1981-12-08