RT

Robert H. Tuffias

UL Ultramet: 2 patents #2 of 8Top 25%
📍 Los Angeles, CA: #31 of 386 inventorsTop 9%
🗺 California: #1,124 of 13,957 inventorsTop 9%
Overall (1994): #20,896 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5372380 Filter and method of forming Andrew J. Duffy, Richard B. Kaplan, Stanley A. Racik, Edwin P. Stankiewicz, Brian E. Williams 1994-12-13
5283109 High temperature resistant structure Richard B. Kaplan, Hugh O. Pierson, J. Grady Sheek, Brian E. Williams 1994-02-01