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Andrew J. Duffy

UL Ultramet: 1 patents #4 of 8Top 50%
📍 La Cañada Flintridge, CA: #8 of 24 inventorsTop 35%
🗺 California: #3,049 of 13,957 inventorsTop 25%
Overall (1994): #157,212 of 165,921Top 95%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5372380 Filter and method of forming Richard B. Kaplan, Stanley A. Racik, Edwin P. Stankiewicz, Robert H. Tuffias, Brian E. Williams 1994-12-13