DH

Dale V. Hecker

UN Unknown: 1 patents #206 of 2,107Top 10%
📍 Itasca, IL: #1 of 6 inventorsTop 20%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #163,348 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5638640 Safety device for spring-loaded overhead doors Wayne D. Harbeck 1997-06-17