DB

Douglas L. Bonstead

DS Deflecta Shield: 2 patents #1 of 4Top 25%
📍 Ankeny, IA: #1 of 17 inventorsTop 6%
🗺 Iowa: #26 of 549 inventorsTop 5%
Overall (1989): #28,955 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D303948 Sun visor Herbert O. Dixon, Jr. 1989-10-10
4846522 Extruded bug and gravel shield Ronald D. Mastin, Carl W. Langren 1989-07-11