HW

Harold G. Wentzel

📍 Union, MI: #5 of 34 inventorsTop 15%
🗺 Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #1,064,298 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4643239 Overhead sectional doors 1987-02-17
4572268 Roller and track means for an overhead door 1986-02-25
4569383 Sectional door and components thereof 1986-02-11
4567931 Sectional door and components thereof 1986-02-04
4511173 Pickup truck cap having a roll-away door 1985-04-16