JL

Joseph W. Langenfeld

WC Westendorf Manufacturing Co.: 3 patents #1 of 2Top 50%
📍 Onawa, IA: #1 of 2 inventorsTop 50%
🗺 Iowa: #9 of 549 inventorsTop 2%
Overall (1989): #9,539 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4887939 Extension arm assembly for a tractor loader Neal W. Westendorf 1989-12-19
4859130 Material handling attachment for a tractor having a multiple-point hitch assembly Neal W. Westendorf 1989-08-22
4797051 Loader device for a tractor Neal W. Westendorf 1989-01-10