HD

Hans Dyhrman

BU Burton: 1 patents #53 of 94Top 60%
Overall (All Time): #3,181,339 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8566969 Adjustable fitting helmet Brian Glogowski, John D. Fiegener, Daniel Richard Armstrong, Michael Tinstman, John T. Fowler 2013-10-29