JH

John R. B. Hall

DC Donaldson Company: 2 patents #7 of 59Top 15%
📍 Burnsville, MN: #6 of 65 inventorsTop 10%
🗺 Minnesota: #442 of 4,231 inventorsTop 15%
Overall (2005): #50,025 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6955775 Process if making fine fiber material Hoo Y. Chung, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik 2005-10-18
6924028 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures Hoo Y. Chung, Mark A. Gogins, Douglas G. Crofoot, Thomas M. Weik 2005-08-02