RW

Ronald I. Wallum

📍 Fargo, ND: #259 of 650 inventorsTop 40%
🗺 North Dakota: #797 of 2,395 inventorsTop 35%
Overall (All Time): #2,294,885 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5355904 Stair climbing aid — 1994-10-18
5318057 Half-step stability cane — 1994-06-07