JE

Jan H. Ettrich

MA Masonite: 1 patents #7 of 17Top 45%
🗺 Illinois: #1,799 of 6,351 inventorsTop 30%
Overall (2025): #356,965 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12400507 Entry access system and method for questionnaire screening Alex BODURKA, David Toll 2025-08-26