DH

David C. Humphreys

TP Tamko Building Products: 3 patents #1 of 10Top 10%
📍 Joplin, MO: #3 of 17 inventorsTop 20%
🗺 Missouri: #148 of 2,600 inventorsTop 6%
Overall (2021): #86,225 of 548,734Top 20%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11186747 System and method for reducing viscosity variations in roofing asphalt 2021-11-30
11078669 Applying a release material to a shingle during manufacturing Chris Freeborg, Kyle Davis, Alex Alekhine 2021-08-03
10914073 Curtain die for applying a liquid release agent to a shingle substrate Christopher Freeborg, Alex Alekhine, Kyle Davis 2021-02-09