John Peter Halsmer

📍 Columbus, IN: #661 of 1,378 inventorsTop 50%

🗺 Indiana: #13,671 of 33,936 inventorsTop 45%

Overall (All Time): #1,722,191 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12345222	Enhancements for carbureted and retrofit electronic fuel injection aircraft engines	—	2025-07-01
7290531	Integrated fuel supply system for internal combustion engine	—	2007-11-06