DG

Douglas R. Greulich

PF Patterson Fan: 1 patents #1 of 3Top 35%
📍 Columbia, SC: #30 of 84 inventorsTop 40%
🗺 South Carolina: #351 of 1,374 inventorsTop 30%
Overall (2025): #402,310 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12352286 Truck cooler fan Warren R. Garrison, Eric A. Trofatter 2025-07-08