DM

Doug Metzel

CK Carl Freudenberg Kg: 5 patents #1 of 60Top 2%
📍 Lombard, IL: #2 of 23 inventorsTop 9%
🗺 Illinois: #238 of 6,351 inventorsTop 4%
Overall (2025): #24,623 of 469,880Top 6%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12408808 Slide release mechanism for cleaning device 2025-09-09
12369707 Beveled broom and step-on dustpan cleaning system Robert Ancheta 2025-07-29
D1077395 Cleaning device 2025-05-27
12303088 Release lever for cleaning device 2025-05-20
D1072402 Cleaning device 2025-04-22