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Helen J. Yoo

PI Power Tool Institute: 1 patents #2 of 14Top 15%
📍 Maplewood, MN: #23 of 63 inventorsTop 40%
🗺 Minnesota: #1,999 of 5,843 inventorsTop 35%
Overall (2011): #288,132 of 364,097Top 80%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8074546 Pyrotechnic drop mechanism for power tools William R. Knapp, Jean-Pierre Krauer, Wilfred H. Anderson, Kyle L. Petrich, Jeffrey Y. Hayashida 2011-12-13