BR

by Anna-Maija Wahlberg, legal representative

📍 Alva, OK: #1 of 6 inventorsTop 20%
🗺 Oklahoma: #151 of 749 inventorsTop 25%
Overall (1989): #127,768 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4804401 Method of producing a phosphorus fertilizer soil conditioner Arvo Wahlberg, deceased 1989-02-14