DH

Douglas Hanneken

HA Handi-Craft: 1 patents #1 of 1Top 100%
📍 Chesterfield, MO: #67 of 679 inventorsTop 10%
🗺 Missouri: #259 of 2,337 inventorsTop 15%
Overall (2022): #164,030 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11419325 Retention assemblies for animal traps Michael Cosentino 2022-08-23
11272807 Warming apparatus including a heating element 2022-03-15