Ronald I. Wallum

📍 Fargo, ND: #2 of 25 inventorsTop 8%

🗺 North Dakota: #3 of 89 inventorsTop 4%

Overall (1994): #20,867 of 165,921Top 15%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5355904	Stair climbing aid	—	1994-10-18
5318057	Half-step stability cane	—	1994-06-07