Elmer I. Ballard

UN Unknown: 6 patents #2,010 of 83,584Top 3%

📍 Council Bluffs, IA: #25 of 105 inventorsTop 25%

🗺 Iowa: #4,661 of 15,303 inventorsTop 35%

Overall (All Time): #1,665,702 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5050520	Fume exhaustion safety device	—	1991-09-24
4961392	Self-locking mechanical steering helm	—	1990-10-09
4459115	Outboard motor vertical trim indicator	—	1984-07-10