DH

Daniel J. Halberg

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #3,310,789 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7841292 Tactile fire escape system John Halberg 2010-11-30