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David R. Helsing

BUBundy: 1 patents #16 of 32Top 50%
Mount Clemens, MI: #237 of 421 inventorsTop 60%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,795,331 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5303963 Tube coupling with secondary retainer clip James L. McNaughton 1994-04-19

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