DH

David Hahn

CI Columbia Insurance: 3 patents #95 of 371Top 30%
IB Insituform (Netherlands) B.V.: 1 patents #19 of 29Top 70%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #802,820 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12146325 Moisture resistant engineered hardwood veneer flooring Roman Morris, Chris Andrews 2024-11-19
11773604 Moisture resistant engineered hardwood veneer flooring Roman Morris, Chris Andrews 2023-10-03
11454036 Moisture resistant engineered hardwood veneer flooring Roman Morris, Chris Andrews 2022-09-27
6932116 Fiber reinforced composite liner for lining an existing conduit and method of manufacture E. Peter Smith, John Ernest Gumbel 2005-08-23
6738985 Disposable sweatband liner Kim Y. Hahn 2004-05-25
5827904 Medical implant composition 1998-10-27