PS

Philip Carl Spengler

Caterpillar: 1 patents #162 of 636Top 30%
📍 Washington, IL: #8 of 30 inventorsTop 30%
🗺 Illinois: #1,799 of 6,351 inventorsTop 30%
Overall (2025): #252,381 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12409399 Filter element locking mechanism Darrell Lee Morehouse, III, Jon T. Immel, Jeffrey R. Ries, Stephen Ellis Oedewaldt 2025-09-09