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Alpha N. Doan

HP HP: 1 patents #74 of 405Top 20%
📍 San Diego, CA: #88 of 458 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #133,801 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4865478 Retractable pin sheet feed mechanism Lawrence Chan, Curt N. Torgerson, Paul J. Wield 1989-09-12